and Answers | Latest Version |
2025/2026 | Correct & Verified
Which functional group is characteristic of alcohols?
a. Carbonyl group
✔✔ b. Hydroxyl group (-OH)
c. Amino group
d. Carboxyl group
The reaction of carboxylic acids with alcohols in the presence of acid catalyst produces:
a. Amides
b. Aldehydes
✔✔ c. Esters
d. Ketones
Which of the following compounds is aromatic?
a. Cyclohexane
b. Cyclopentane
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,✔✔ c. Benzene
d. Hexane
Which reagent is used to oxidize primary alcohols to aldehydes?
a. Sodium borohydride
✔✔ b. PCC (Pyridinium chlorochromate)
c. LiAlH4
d. Hydrogen gas
Which reaction is used to convert an alcohol to an alkyl halide?
✔✔ a. Lucas test reaction
b. Saponification
c. Grignard reaction
d. Aldol condensation
Which of the following is an ether?
a. CH3CH2OH
✔✔ b. CH3CH2OCH2CH3
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,c. CH3COOH
d. CH3CH2NH2
Which functional group is present in ketones?
a. Hydroxyl group
✔✔ b. Carbonyl group
c. Carboxyl group
d. Amino group
What is the product of complete hydrogenation of benzene?
✔✔ a. Cyclohexane
b. Cyclohexene
c. Toluene
d. Phenol
Which organic compound is classified as a secondary alcohol?
a. CH3CH2OH
✔✔ b. CH3CHOHCH3
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, c. CH3CH2CH2OH
d. CH3OH
Which reagent is commonly used in the oxidation of aldehydes to carboxylic acids?
a. LiAlH4
✔✔ b. Tollens’ reagent
c. NaBH4
d. Zinc chloride
Which of the following is an amide?
a. CH3COOH
✔✔ b. CH3CONH2
c. CH3CHO
d. CH3CH2OH
Which reaction converts a carboxylic acid into an acid chloride?
✔✔ a. Treatment with thionyl chloride (SOCl2)
b. Esterification with alcohol
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