1. What is carbon?
Carbon is a non-metal element.
2. Why is carbon versatile?
It forms many compounds.
3. What is carbon’s atomic number?
Carbon’s atomic number is 6.
4. Why does carbon form covalent bonds?
It shares electrons.
5. What is valency of carbon?
Carbon’s valency is 4.
6. Why is carbon tetravalent?
It has four valence electrons.
7. What is a covalent bond?
Sharing of electron pairs.
8. Why doesn’t carbon form ionic bonds?
High ionization energy.
9. What is catenation?
Carbon’s self-linking property.
10. Why does carbon catenate?
Strong C-C bonds.
11. What is an allotrope?
Different forms of an element.
12. What are carbon’s allotropes?
Diamond, graphite, buckminsterfullerene.
13. Why is diamond hard?
3D tetrahedral covalent bonds.
14. What is diamond’s structure?
Tetrahedral carbon network.
15. Why doesn’t diamond conduct electricity?
No free electrons.
16. What is graphite’s structure?
Layered hexagonal sheets.
17. Why is graphite soft?
Weak interlayer bonds.
18. Why does graphite conduct electricity?
Delocalized electrons in layers.
19. What is buckminsterfullerene?
C 60 molecule like a football.
20. Why is C 60 spherical?
Hexagonal and pentagonal rings.
21. What is a hydrocarbon?
Compound of carbon and hydrogen.
22. Why are hydrocarbons important?
They are fuels and chemicals.
23. What is a saturated hydrocarbon?
Has only single bonds.
24. Why are alkanes saturated?
All C-C bonds are single.
25. What is an unsaturated hydrocarbon?
Has double or triple bonds.
26. Why are alkenes unsaturated?
They have C
27. What is methane’s formula?
C H 4 is methane.
28. Why is methane a gas?
Weak intermolecular forces.
29. What is ethane’s formula?
C 2 H 6 is ethane.
30. Why is ethane saturated?
It has single bonds.
31. What is ethene’s formula?
C 2 H 4 is ethene.
32. Why is ethene unsaturated?
It has a double bond.
33. What is ethyne’s formula?
C 2 H 2 is ethyne.
34. Why is ethyne reactive?
It has a triple bond.
35. What is propane’s formula?
C 3 H 8 is propane.
36. Why is propane a fuel?
It burns efficiently.
37. What is butane’s formula?
C 4 H 10 is butane.
38. Why is butane in lighters?
It’s easily liquefied.
39. What is an alkane?
Hydrocarbon with single bonds.
40. What is the general formula of alkanes?
C n H 2n+2.
41. Why do alkanes follow C n H 2n+2?
Each carbon forms four bonds.
42. What is an alkene?
Hydrocarbon with double bond.
43. What is the general formula of alkenes?
C n H 2n.
44. Why do alkenes follow C n H 2n?
Double bond reduces hydrogens.
45. What is an alkyne?
Hydrocarbon with triple bond.
46. What is the general formula of alkynes?
C n H 2n-2.
47. Why do alkynes follow C n H 2n-2?
Triple bond reduces hydrogens.
48. What is a functional group?
Atom/group defining properties.
49. Why are functional groups important?
They determine reactivity.
50. What is the hydroxyl group?
-O H is hydroxyl.
51. What is an alcohol?
Compound with -O H group.
52. What is methanol’s formula?
C H 3 O H is methanol.
53. Why is methanol toxic?
It damages organs.
54. What is ethanol’s formula?
C 2 H 5 O H is ethanol.
55. Why is ethanol in drinks?
It’s fermented from sugars.
56. What is the aldehyde group?
-C H O is aldehyde.
57. What is methanal’s formula?
H C H O is methanal.
58. Why is methanal used?
In preservatives.
59. What is ethanal’s formula?
C H 3 C H O is ethanal.
60. Why is ethanal reactive?
Aldehyde group is active.
61. What is the ketone group?
-C O- is ketone.
62. What is propanone’s formula?
C H 3 C O C H 3 is propanone.
63. Why is propanone a solvent?
It dissolves compounds.
64. What is the carboxyl group?
-C O O H is carboxyl.
65. What is a carboxylic acid?
Compound with -C O O H.
66. What is methanoic acid’s formula?
H C O O H is methanoic acid.
67. Why is methanoic acid in stings?
It causes irritation.
68. What is ethanoic acid’s formula?
C H 3 C O O H is ethanoic acid.
69. Why is ethanoic acid in vinegar?
It’s fermented ethanol.
70. What is an ester?
Compound from acid and alcohol.
71. What is ethyl ethanoate’s formula?
C H 3 C O O C 2 H 5.
72. Why do esters smell sweet?
Functional group structure.
73. What is a homologous series?
Compounds with similar properties.
74. Why do alkanes form a series?
They differ by C H 2.
75. What is the difference in alkanes?
C H 2 unit difference.
76. Why do boiling points increase?
More carbon, stronger forces.
77. What is nomenclature?
Systematic naming of compounds.
78. Why use IUPAC naming?
For universal clarity.
79. What is the prefix for one carbon?
Meth- for one carbon.
80. What is the prefix for two carbons?
Eth- for two carbons.
81. What is the prefix for three carbons?
Prop- for three carbons.
82. What is the prefix for four carbons?
But- for four carbons.
83. What is the suffix for alkane?
-ane for alkanes.
84. What is the suffix for alkene?
-ene for alkenes.
85. What is the suffix for alkyne?
-yne for alkynes.
86. What is C H 3 C H 3’s name?
Ethane.
87. Why is C H 3 C H 3 ethane?
Two carbons, single bonds.
88. What is C H 2
Ethene.
89. Why is C H 2
Two carbons, double bond.
90. What is H C ≡ C H’s name?
Ethyne.
91. Why is H C ≡ C H ethyne?
Two carbons, triple bond.
92. What is C H 3 O H’s name?
Methanol.
93. Why is C H 3 O H methanol?
One carbon, -O H group.
94. What is C H 3 C O O H’s name?
Ethanoic acid.
95. Why is C H 3 C O O H ethanoic acid?
Two carbons, -C O O H.
96. What is C 3 H 8’s name?
Propane.
97. Why is C 3 H 8 propane?
Three carbons, single bonds.
98. What is C 4 H 10’s name?
Butane.
99. Why is C 4 H 10 butane?
Four carbons, single bonds.
100. What is C H 3 C H O’s name?
Ethanal.
101. Why is C H 3 C H O ethanal?
Two carbons, -C H O group.
102. What is combustion?
Burning in oxygen.
103. Why do hydrocarbons burn?
They form C O 2 and H 2 O.
104. What is C H 4 combustion?
C H 4 + 2 O 2 → C O 2 + 2 H 2 O.
105. Why is C O 2 formed?
Carbon oxidizes completely.
106. What is C 2 H 5 O H combustion?
C 2 H 5 O H + 3 O 2 → 2 C O 2 + 3 H 2 O.
107. Why is ethanol’s flame blue?
Complete combustion occurs.
108. What is incomplete combustion?
Forms C O or carbon.
109. Why is C O harmful?
It binds to haemoglobin.
110. What is oxidation reaction?
Addition of oxygen.
111. What is ethanol oxidation?
C 2 H 5 O H → C H 3 C O O H.
112. Why is ethanoic acid formed?
Ethanol gains oxygen.
113. What is addition reaction?
Adding atoms across double bond.
114. What is C H 2
C H 2
115. Why is ethane formed?
Hydrogen adds to ethene.
116. What is substitution reaction?
Replacing atom with another.
117. What is C H 4 + C l 2 reaction?
C H 4 + C l 2 → C H 3 C l + H C l.
118. Why is C H 3 C l formed?
Chlorine replaces hydrogen.
119. What is ethanol’s use?
In drinks and fuel.
120. Why is ethanol a solvent?
It dissolves polar compounds.
121. What is denatured alcohol?
Ethanol with additives.
122. Why denature alcohol?
To prevent misuse.
123. What is vinegar?
5-8% ethanoic acid solution.
124. Why is vinegar acidic?
Due to ethanoic acid.
125. What is esterification?
Acid + alcohol forms ester.
126. What is C H 3 C O O H + C 2 H 5 O H reaction?
C H 3 C O O H + C 2 H 5 O H → C H 3 C O O C 2 H 5 + H 2 O.
127. Why is ester formed?
Carboxyl reacts with hydroxyl.
128. What is saponification?
Ester forms soap with base.
129. What is soap?
Sodium salt of fatty acid.
130. Why does soap clean?
It forms micelles.
131. What is a micelle?
Soap molecules trapping dirt.
132. Why is soap ineffective in hard water?
It forms scum.
133. What is scum?
Insoluble calcium salts.
134. What is a detergent?
Synthetic cleaning agent.
135. Why do detergents work in hard water?
They don’t form scum.
136. What is C 5 H 12’s name?
Pentane.
137. Why is C 5 H 12 pentane?
Five carbons, single bonds.
138. What is C 3 H 6’s name?
Propene.
139. Why is C 3 H 6 propene?
Three carbons, double bond.
140. What is C 4 H 6’s name?
Butyne.
141. Why is C 4 H 6 butyne?
Four carbons, triple bond.
142. What is C H 3 C H 2 O H’s name?
Ethanol.
143. Why is C H 3 C H 2 O H ethanol?
Two carbons, -O H group.
144. What is C H 3 C O C H 3’s name?
Propanone.
145. Why is C H 3 C O C H 3 propanone?
Three carbons, ketone group.
146. What is carbon’s electronegativity?
Carbon’s electronegativity is 2.5.
147. Why is carbon covalent?
Moderate electronegativity.
148. What is isomerism?
Same formula, different structure.
149. What is butane’s isomer?
Isobutane (2-methylpropane).
150. Why do isomers differ?
Different carbon arrangements.
151. What is C 4 H 10’s straight chain?
n-Butane.
152. What is C 4 H 10’s branched chain?
Isobutane.
153. Why do isomers have different properties?
Structural differences affect bonding.
154. What is cycloalkane?
Ring-shaped alkane.
155. What is cyclohexane’s formula?
C 6 H 12 is cyclohexane.
156. Why is cyclohexane stable?
Ring structure balances strain.
157. What is benzene’s formula?
C 6 H 6 is benzene.
158. Why is benzene aromatic?
Delocalized electrons in ring.
159. What is a carbon chain?
Linked carbon atoms.
160. Why are carbon chains flexible?
C-C bonds rotate.
161. What is C H 3 C H 2 C H 3’s name?
162. Why is it propane?
163. What is C H 3 C H
164. Why is it propene?
165. What is C H 3 C ≡ C H’s name?
Propyne.
166. Why is it propyne?
Three carbons, triple bond.
167. What is C 2 H 5 C O O H’s name?
Propanoic acid.
168. Why is it propanoic acid?
Three carbons, -C O O H.
169. What is carbon’s role in life?
Forms organic molecules.
170. Why is carbon in proteins?
It forms backbones.
171. What is coal?
Carbon-rich fossil fuel.
172. Why is coal black?
High carbon content.
173. What is petroleum?
Hydrocarbon mixture.
174. Why is petroleum refined?
To separate hydrocarbons.
175. What is natural gas?
Mainly methane.
176. Why is methane clean?
Low carbon emissions.
177. What is C H 3 C H 2 C H 2 O H’s name?
Propanol.
178. Why is it propanol?
Three carbons, -O H group.
179. What is cracking?
Breaking large hydrocarbons.
180. Why crack hydrocarbons?
To produce smaller molecules.
181. What is polymerization?
Joining monomers to polymers.
182. Why is ethene polymerized?
To form polyethene.
183. What is polyethene?
Plastic from ethene.
184. Why is polyethene flexible?
Long carbon chains.
185. What is C H 3 C O O C H 3’s name?
Methyl ethanoate.
186. Why is it methyl ethanoate?
From methanol and ethanoic acid.
187. What is ethanol’s boiling point?
78°C.
188. Why is ethanol’s boiling point high?
Hydrogen bonding.
189. What is ethanoic acid’s boiling point?
118°C.
190. Why is ethanoic acid’s boiling point high?
Strong hydrogen bonds.
191. What is methane’s boiling point?
-161.5°C.
192. Why is methane’s boiling point low?
Weak van der Waals forces.
193. What is carbon’s melting point?
Very high (sublimes).
194. Why does carbon sublime?
Strong covalent bonds.
195. What is C 6 H 14’s name?
Hexane.
196. Why is it hexane?
Six carbons, single bonds.
197. What is C 5 H 10’s name?
Pentene.
198. Why is it pentene?
Five carbons, double bond.
199. What is C H 3 C H 2 C O O H’s name?
200. Why is it propanoic acid?
Three carbons, carboxyl group.
201. What is soap’s structure?
Long hydrophobic tail, hydrophilic head.
202. Why does soap form micelles?
Tails trap oil, heads in water.
203. What is hard water?
Water with C a²⁺, M g²⁺ ions.
204. Why does hard water form scum?
Soap reacts with ions.
205. What is detergent’s advantage?
Works in hard water.
206. Why are detergents synthetic?
Made from petroleum.
207. What is C H 3 C H 2 C H O’s name?
Propanal.
208. Why is it propanal?
Three carbons, aldehyde group.
209. What is C H 3 C O O H’s use?
In vinegar and preservatives.
210. Why is ethanoic acid used?
It inhibits bacteria.
211. What is ethanol’s production?
Fermentation of sugars.
212. Why ferment sugars?
Yeast converts to ethanol.
213. What is C H 4’s structure?
Tetrahedral.
214. Why is methane tetrahedral?
Four equal C-H bonds.
215. What is C 2 H 4’s structure?
Planar with double bond.
216. Why is ethene planar?
Double bond restricts rotation.
217. What is C 2 H 2’s structure?
Linear with triple bond.
218. Why is ethyne linear?
Triple bond aligns atoms.
219. What is C 2 H 5 O H’s structure?
Contains -O H group.
220. Why is ethanol polar?
-O H group is polar.
221. What is carbon’s hybridization?
sp³, sp², or sp.
222. Why sp³ in methane?
Four single bonds.
223. Why sp² in ethene?
Double bond forms.
224. Why sp in ethyne?
Triple bond forms.
225. What is C H 3 C H 2 C H 2 C H 3’s name?
226. Why is it butane?
227. What is C H 3 C H
But-2-ene.
228. Why is it but-2-ene?
Four carbons, double bond at 2.
229. What is C H 3 C ≡ C C H 3’s name?
But-2-yne.
230. Why is it but-2-yne?
Four carbons, triple bond at 2.
231. What is alkyl group?
Hydrocarbon minus one hydrogen.
232. What is methyl group?
C H 3- is methyl.
233. What is ethyl group?
C H 3 C H 2- is ethyl.
234. Why are alkyl groups reactive?
They form bonds easily.
235. What is C H 3 C H 2 C O C H 3’s name?
Butanone.
236. Why is it butanone?
Four carbons, ketone group.
237. What is carbon’s role in fuels?
Forms energy-rich hydrocarbons.
238. Why are hydrocarbons fuels?
They release energy when burnt.
239. What is C 7 H 16’s name?
Heptane.
240. Why is it heptane?
Seven carbons, single bonds.
241. What is C 6 H 12’s name?
Hexene.
242. Why is it hexene?
Six carbons, double bond.
243. What is C 5 H 8’s name?
Pentyne.
244. Why is it pentyne?
Five carbons, triple bond.
245. What is C H 3 C H 2 C O O C H 3’s name?
Methyl propanoate.
246. Why is it methyl propanoate?
From methanol, propanoic acid.
247. What is greenhouse gas?
C O 2 traps heat.
248. Why is C O 2 a greenhouse gas?
It absorbs infrared radiation.
249. What is carbon footprint?
Carbon emissions from activities.
250. Why reduce carbon footprint?
To limit global warming.
251. What is C H 3 C H 2 C H 2 C O O H’s name?
Butanoic acid.
252. Why is it butanoic acid?
Four carbons, -C O O H.
253. What is carbon’s source?
Coal, petroleum, biomass.
254. Why is carbon abundant?
Forms stable compounds.
255. What is C 8 H 18’s name?
Octane.
256. Why is it octane?
Eight carbons, single bonds.
257. What is C H 3 C H 2 C H
But-1-ene.
258. Why is it but-1-ene?
Four carbons, double bond at 1.
259. What is C H 3 C H 2 C ≡ C H’s name?
But-1-yne.
260. Why is it but-1-yne?
Four carbons, triple bond at 1.
261. What is ethanol’s density?
0.789 g/cm³.
262. Why is ethanol less dense?
Weaker molecular forces.
263. What is ethanoic acid’s density?
1.05 g/cm³.
264. Why is ethanoic acid denser?
Stronger hydrogen bonding.
265. What is C H 3 C H ( O H ) C H 3’s name?
Propan-2-ol.
266. Why is it propan-2-ol?
-O H on second carbon.
267. What is carbon’s isotope?
Carbon-12, Carbon-14.
268. Why is Carbon-14 used?
For radiocarbon dating.
269. What is C H 3 C H 2 C H 2 C H O’s name?
Butanal.
270. Why is it butanal?
Four carbons, aldehyde group.
271. What is organic chemistry?
Study of carbon compounds.
272. Why focus on carbon?
Forms diverse molecules.
273. What is C 9 H 20’s name?
Nonane.
274. Why is it nonane?
Nine carbons, single bonds.
275. What is C 10 H 22’s name?
Decane.
276. Why is it decane?
Ten carbons, single bonds.
277. What is C H 3 C O O C H 2 C H 3’s name?
Ethyl ethanoate.
278. Why is it ethyl ethanoate?
From ethanol, ethanoic acid.
279. What is C H 3 C H 2 C O O C H 2 C H 3’s name?
Ethyl propanoate.
280. Why is it ethyl propanoate?
From ethanol, propanoic acid.
281. What is alcohol’s general formula?
C n H 2n+1 O H.
282. Why C n H 2n+1 O H for alcohols?
-O H replaces one H.
283. What is carboxylic acid’s formula?
C n H 2n+1 C O O H.
284. Why C n H 2n+1 C O O H for acids?
Carboxyl group added.
285. What is aldehyde’s formula?
C n H 2n+1 C H O.
286. Why C n H 2n+1 C H O for aldehydes?
Aldehyde group added.
287. What is ketone’s formula?
C n H 2n+1 C O C m H 2m+1.
288. Why is ketone formula complex?
Two alkyl groups.
289. What is C H 3 C H 2 C H 2 C O C H 3’s name?
Pentan-2-one.
290. Why is it pentan-2-one?
Five carbons, ketone at 2.
291. What is carbon’s electron configuration?
1s² 2s² 2p².
292. Why does carbon bond?
To complete octet.
293. What is C H 3 C H 2 C H 2 C H 2 O H’s name?
Butan-1-ol.
294. Why is it butan-1-ol?
Four carbons, -O H at 1.
295. What is C H 3 C O O C H 2 C H 2 C H 3’s name?
Propyl ethanoate.
296. Why is it propyl ethanoate?
From propanol, ethanoic acid.
297. What is biogas?
Methane from organic waste.
298. Why use biogas?
Renewable energy source.
299. What is C H 3 C H 2 C O O C H 3’s name?
300. Why is it methyl propanoate?
301. What is carbon cycle?
Carbon movement in nature.
302. Why is carbon cycle important?
Maintains atmospheric C O 2.
303. What is C H 3 C H 2 C H 2 C O O H’s name?
304. Why is it butanoic acid?
Four carbons, carboxyl group.
305. What is C H 3 C H 2 C H 2 C H 2 C H 3’s name?
306. Why is it pentane?
307. What is C H 3 C H
Pent-2-ene.
308. Why is it pent-2-ene?
Five carbons, double bond at 2.
309. What is C H 3 C ≡ C C H 2 C H 3’s name?
Pent-2-yne.
310. Why is it pent-2-yne?
Five carbons, triple bond at 2.
311. What is ethanol’s solubility?
Soluble in water.
312. Why is ethanol soluble?
-O H forms hydrogen bonds.
313. What is ethanoic acid’s solubility?
314. Why is ethanoic acid soluble?
Carboxyl group bonds with water.
315. What is methane’s solubility?
Insoluble in water.
316. Why is methane insoluble?
Non-polar molecule.
317. What is C H 3 C H 2 C H 2 C H 2 C O O H’s name?
Pentanoic acid.
318. Why is it pentanoic acid?
Five carbons, -C O O H.
319. What is C H 3 C H 2 C H 2 C O O C H 3’s name?
Methyl butanoate.
320. Why is it methyl butanoate?
From methanol, butanoic acid.
321. What is carbon monoxide?
C O is toxic gas.
322. Why is C O toxic?
323. What is C H 3 C H 2 C H 2 C H 2 C H O’s name?
Pentanal.
324. Why is it pentanal?
Five carbons, aldehyde group.
325. What is C H 3 C O O C H 2 C H 2 C H 2 C H 3’s name?
Butyl ethanoate.
326. Why is it butyl ethanoate?
From butanol, ethanoic acid.
327. What is C 6 H 14’s isomer?
2-methylpentane.
328. Why is 2-methylpentane different?
Branched carbon chain.
329. What is C H 3 C H 2 C O O C H 2 C H 2 C H 3’s name?
Propyl propanoate.
330. Why is it propyl propanoate?
From propanol, propanoic acid.
331. What is C H 3 C H 2 C H 2 C O O C H 2 C H 3’s name?
Ethyl butanoate.
332. Why is it ethyl butanoate?
From ethanol, butanoic acid.
333. What is ethanol’s use in medicine?
As antiseptic.
334. Why is ethanol antiseptic?
It kills bacteria.
335. What is ethanoic acid’s use in food?
As preservative.
336. Why preserve with ethanoic acid?
It prevents microbial growth.
337. What is C H 3 C H 2 C H 2 C H 2 C O C H 3’s name?
Hexan-2-one.
338. Why is it hexan-2-one?
Six carbons, ketone at 2.
339. What is carbon in plastics?
Forms polymer chains.
340. Why is carbon in plastics?
Stable C-C bonds.
341. What is C H 3 C H 2 C H 2 C H
Pent-1-ene.
342. Why is it pent-1-ene?
Five carbons, double bond at 1.
343. What is C H 3 C H 2 C ≡ C C H 3’s name?
344. Why is it pent-2-yne?
345. What is C H 3 C H 2 C H 2 C H 2 C H 2 O H’s name?
Pentan-1-ol.
346. Why is it pentan-1-ol?
Five carbons, -O H at 1.
347. What is carbon in rubber?
Forms polymer backbone.
348. Why is carbon in rubber?
It provides elasticity.
349. What is C H 3 C H 2 C H 2 C O O C H 2 C H 2 C H 3’s name?
Propyl butanoate.
350. Why is it propyl butanoate?
From propanol, butanoic acid.
351. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Pentyl ethanoate.
352. Why is it pentyl ethanoate?
From pentanol, ethanoic acid.
353. What is carbon in fuels?
Forms hydrocarbons.
354. Why are hydrocarbons fuels?
They release energy.
355. What is C H 3 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl pentanoate.
356. Why is it methyl pentanoate?
From methanol, pentanoic acid.
357. What is C H 3 C H 2 C H 2 C H 2 C H
Hex-1-ene.
358. Why is it hex-1-ene?
Six carbons, double bond at 1.
359. What is C H 3 C H 2 C H 2 C ≡ C C H 3’s name?
Hex-2-yne.
360. Why is it hex-2-yne?
Six carbons, triple bond at 2.
361. What is C H 3 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Hexanoic acid.
362. Why is it hexanoic acid?
Six carbons, -C O O H.
363. What is carbon in dyes?
Forms colored molecules.
364. Why is carbon in dyes?
Conjugated systems absorb light.
365. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Hexanal.
366. Why is it hexanal?
Six carbons, aldehyde group.
367. What is C H 3 C H 2 C O O C H 2 C H 2 C H 2 C H 3’s name?
Butyl propanoate.
368. Why is it butyl propanoate?
From butanol, propanoic acid.
369. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Hexyl ethanoate.
370. Why is it hexyl ethanoate?
From hexanol, ethanoic acid.
371. What is carbon in medicines?
Forms active molecules.
372. Why is carbon in medicines?
It builds complex structures.
373. What is C H 3 C H 2 C H 2 C H 2 C H 2 C O C H 3’s name?
Heptan-2-one.
374. Why is it heptan-2-one?
Seven carbons, ketone at 2.
375. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Hexan-1-ol.
376. Why is it hexan-1-ol?
Six carbons, -O H at 1.
377. What is carbon in food?
Forms carbohydrates, fats.
378. Why is carbon in food?
It stores energy.
379. What is C H 3 C H 2 C H 2 C H 2 C O O C H 2 C H 2 C H 3’s name?
Propyl pentanoate.
380. Why is it propyl pentanoate?
From propanol, pentanoic acid.
381. What is C H 3 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl hexanoate.
382. Why is it methyl hexanoate?
From methanol, hexanoic acid.
383. What is C H 3 C H 2 C H 2 C H 2 C H
384. Why is it hex-1-ene?
385. What is C H 3 C H 2 C H 2 C H 2 C ≡ C C H 3’s name?
Hept-2-yne.
386. Why is it hept-2-yne?
Seven carbons, triple bond at 2.
387. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Heptanoic acid.
388. Why is it heptanoic acid?
Seven carbons, -C O O H.
389. What is carbon in cosmetics?
Forms oils, scents.
390. Why is carbon in cosmetics?
It creates stable compounds.
391. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Heptanal.
392. Why is it heptanal?
Seven carbons, aldehyde group.
393. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Heptyl ethanoate.
394. Why is it heptyl ethanoate?
From heptanol, ethanoic acid.
395. What is C H 3 C H 2 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Pentyl propanoate.
396. Why is it pentyl propanoate?
From pentanol, propanoic acid.
397. What is carbon in textiles?
Forms synthetic fibres.
398. Why is carbon in textiles?
It forms strong polymers.
399. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl heptanoate.
400. Why is it methyl heptanoate?
From methanol, heptanoic acid.
401. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Heptan-1-ol.
402. Why is it heptan-1-ol?
Seven carbons, -O H at 1.
403. What is carbon in paints?
Forms pigments, binders.
404. Why is carbon in paints?
It provides color, adhesion.
405. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H
Hept-1-ene.
406. Why is it hept-1-ene?
Seven carbons, double bond at 1.
407. What is C H 3 C H 2 C H 2 C H 2 C H 2 C ≡ C C H 3’s name?
Oct-2-yne.
408. Why is it oct-2-yne?
Eight carbons, triple bond at 2.
409. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Octanoic acid.
410. Why is it octanoic acid?
Eight carbons, -C O O H.
411. What is carbon in adhesives?
Forms sticky polymers.
412. Why is carbon in adhesives?
It binds surfaces.
413. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Octanal.
414. Why is it octanal?
Eight carbons, aldehyde group.
415. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Octyl ethanoate.
416. Why is it octyl ethanoate?
From octanol, ethanoic acid.
417. What is carbon in detergents?
Forms hydrophobic tails.
418. Why is carbon in detergents?
It traps grease.
419. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 2 C H 3’s name?
Ethyl heptanoate.
420. Why is it ethyl heptanoate?
From ethanol, heptanoic acid.
421. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O C H 3’s name?
Nonan-2-one.
422. Why is it nonan-2-one?
423. Eight carbons, ketone at 2.
424. What is carbon in explosives?
Forms energetic molecules.
425. Why is carbon in explosives?
It releases energy.
426. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Octan-1-ol.
427. Why is it octan-1-ol?
Eight carbons, -O H at 1.
428. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl octanoate.
429. Why is it methyl octanoate?
From methanol, octanoic acid.
430. What is carbon in perfumes?
Forms scent molecules.
431. Why is carbon in perfumes?
It creates aromas.
432. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Oct-1-ene.
433. Why is it oct-1-ene?
Eight carbons, double bond at 1.
434. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C ≡ C C H 3’s name?
Non-2-yne.
435. Why is it non-2-yne?
Nine carbons, triple bond at 2.
436. What is carbon in lubricants?
Forms slippery hydrocarbons.
437. Why is carbon in lubricants?
It reduces friction.
438. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Nonanoic acid.
439. Why is it nonanoic acid?
Nine carbons, -C O O H.
440. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Nonanal.
441. Why is it nonanal?
Nine carbons, aldehyde group.
442. What is carbon in inks?
Forms pigments.
443. Why is carbon in inks?
It provides color.
444. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Nonyl ethanoate.
445. Why is it nonyl ethanoate?
From nonanol, ethanoic acid.
446. What is C H 3 C H 2 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Octyl propanoate.
447. Why is it octyl propanoate?
From octanol, propanoic acid.
448. What is carbon in soaps?
Forms fatty acid chains.
449. Why is carbon in soaps?
It traps dirt.
450. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Nonan-1-ol.
451. Why is it nonan-1-ol?
Nine carbons, -O H at 1.
452. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O C H 3’s name?
Decan-2-one.
453. Why is it decan-2-one?
Ten carbons, ketone at 2.
454. What is carbon in polymers?
Forms long chains.
455. Why is carbon in polymers?
It links repeatedly.
456. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl nonanoate.
457. Why is it methyl nonanoate?
From methanol, nonanoic acid.
458. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Non-1-ene.
459. Why is it non-1-ene?
Nine carbons, double bond at 1.
460. What is carbon in pesticides?
Forms active compounds.
461. Why is carbon in pesticides?
It targets pests.
462. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Decanoic acid.
463. Why is it decanoic acid?
Ten carbons, -C O O H.
464. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Decanal.
465. Why is it decanal?
Ten carbons, aldehyde group.
466. What is carbon in food additives?
Forms preservatives.
467. Why is carbon in additives?
It extends shelf life.
468. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Decyl ethanoate.
469. Why is it decyl ethanoate?
From decanol, ethanoic acid.
470. What is carbon in batteries?
Forms electrodes.
471. Why is carbon in batteries?
It conducts electricity.
472. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Decan-1-ol.
473. Why is it decan-1-ol?
Ten carbons, -O H at 1.
474. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl decanoate.
475. Why is it methyl decanoate?
From methanol, decanoic acid.
476. What is carbon in fuels?
Forms combustible hydrocarbons.
477. Why is carbon in fuels?
478. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Dec-1-ene.
479. Why is it dec-1-ene?
Ten carbons, double bond at 1.
480. What is carbon in plastics?
Forms durable polymers.
481. Why is carbon in plastics?
It resists degradation.
482. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O C H 3’s name?
Undecan-2-one.
483. Why is it undecan-2-one?
Eleven carbons, ketone at 2.
484. What is carbon in drugs?
Forms active ingredients.
485. Why is carbon in drugs?
It mimics biology.
486. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Undecanoic acid.
487. Why is it undecanoic acid?
Eleven carbons, -C O O H.
488. What is carbon in textiles?
Forms synthetic threads.
489. Why is carbon in textiles?
It provides strength.
490. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Undecanal.
491. Why is it undecanal?
Eleven carbons, aldehyde group.
492. What is carbon in paints?
Forms durable coatings.
493. Why is carbon in paints?
It binds pigments.
494. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Undecyl ethanoate.
495. Why is it undecyl ethanoate?
From undecanol, ethanoic acid.
496. What is carbon in adhesives?
Forms sticky compounds.
497. Why is carbon in adhesives?
It grips surfaces.
498. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Undecan-1-ol.
499. Why is it undecan-1-ol?
Eleven carbons, -O H at 1.
500. What is carbon in cosmetics?
Forms creamy bases.
501. Why is carbon in cosmetics?
It stabilizes formulas.
502. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl undecanoate.
503. Why is it methyl undecanoate?
From methanol, undecanoic acid.
504. What is carbon in detergents?
Forms cleaning agents.
505. Why is carbon in detergents?
It lifts dirt.
506. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Undec-1-ene.
507. Why is it undec-1-ene?
Eleven carbons, double bond at 1.
508. What is carbon in inks?
Forms stable dyes.
509. Why is carbon in inks?
It resists fading.
510. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Dodecanoic acid.
511. Why is it dodecanoic acid?
Twelve carbons, -C O O H.
512. What is carbon in soaps?
Forms long tails.
513. Why is carbon in soaps?
514. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Dodecanal.
515. Why is it dodecanal?
Twelve carbons, aldehyde group.
516. What is carbon in perfumes?
Forms fragrant compounds.
517. Why is carbon in perfumes?
It holds scents.
518. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Dodecyl ethanoate.
519. Why is it dodecyl ethanoate?
From dodecanol, ethanoic acid.
520. What is carbon in lubricants?
Forms smooth oils.
521. Why is carbon in lubricants?
It lowers friction.
522. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Dodecan-1-ol.
523. Why is it dodecan-1-ol?
Twelve carbons, -O H at 1.
524. What is carbon in explosives?
Forms reactive molecules.
525. Why is carbon in explosives?
It releases gases.
526. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl dodecanoate.
527. Why is it methyl dodecanoate?
From methanol, dodecanoic acid.
528. What is carbon in food?
Forms sugars, fats.
529. Why is carbon in food?
It provides calories.
530. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Dodec-1-ene.
531. Why is it dodec-1-ene?
Twelve carbons, double bond at 1.
532. What is carbon in medicines?
Forms drug structures.
533. Why is carbon in medicines?
It binds receptors.
534. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Tridecanoic acid.
535. Why is it tridecanoic acid?
Thirteen carbons, -C O O H.
536. What is carbon in dyes?
Forms vibrant colors.
537. Why is carbon in dyes?
It absorbs light.
538. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Tridecanal.
539. Why is it tridecanal?
Thirteen carbons, aldehyde group.
540. What is carbon in plastics?
Forms flexible chains.
541. Why is carbon in plastics?
It resists wear.
542. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Tridecyl ethanoate.
543. Why is it tridecyl ethanoate?
From tridecanol, ethanoic acid.
544. What is carbon in textiles?
Forms durable fibres.
545. Why is carbon in textiles?
It withstands stress.
546. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 O H’s name?
Tridecan-1-ol.
547. Why is it tridecan-1-ol?
Thirteen carbons, -O H at 1.
548. What is carbon in paints?
Forms strong coatings.
549. Why is carbon in paints?
It protects surfaces.
550. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O C H 3’s name?
Methyl tridecanoate.
551. Why is it methyl tridecanoate?
From methanol, tridecanoic acid.
552. What is carbon in adhesives?
Forms bonding agents.
553. Why is carbon in adhesives?
It holds materials.
554. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
Tridec-1-ene.
555. Why is it tridec-1-ene?
Thirteen carbons, double bond at 1.
556. What is carbon in detergents?
Forms cleaning tails.
557. Why is carbon in detergents?
It removes stains.
558. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C O O H’s name?
Tetradecanoic acid.
559. Why is it tetradecanoic acid?
Fourteen carbons, -C O O H.
560. What is carbon in cosmetics?
Forms smooth textures.
561. Why is carbon in cosmetics?
It enhances feel.
562. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H O’s name?
Tetradecanal.
563. Why is it tetradecanal?
Fourteen carbons, aldehyde group.
564. What is carbon in inks?
Forms lasting colors.
565. Why is carbon in inks?
It stays vibrant.
566. What is C H 3 C O O C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3’s name?
Tetradecyl ethanoate.
567. Why is it tetradecyl ethanoate?
From tetradecanol, ethanoic acid.
568. What is carbon in soaps?
Forms cleaning chains.
569. Why is carbon in soaps?
It lifts grease.
570. What is C H 3 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H
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