NEET Aldehydes Ketones and Carboxylic Acids — Set 14

Question 1

Which reaction converts butanoic acid to butan-1-ol?

Accepted Answer

Reduction of butanoic acid ($ \ce{CH3CH2CH2COOH} $) with $ \ce{LiAlH4} $ yields butan-1-ol ($ \ce{CH3CH2CH2CH2OH} $).

Question 2

Which of the following is a product of the oxidation of butan-1-ol with PCC?

Accepted Answer

PCC oxidizes primary alcohols to aldehydes. Butan-1-ol ($ \ce{CH3CH2CH2CH2OH} $) yields butanal ($ \ce{CH3CH2CH2CHO} $).

Question 3

Which ketone forms a seven-carbon secondary alcohol when treated with $ \ce{CH3CH2MgBr} $?

Accepted Answer

Pentan-3-one ($ \ce{CH3CH2COCH2CH3} $) reacts with $ \ce{CH3CH2MgBr} $, adding an ethyl group, forming 3-ethylpentan-3-ol ($ \ce{CH3CH2C(OH)(CH2CH3)CH2CH3} $), a seven-carbon secondary alcohol.

NEET Chemistry: Aldehydes Ketones and Carboxylic Acids — Practice Set 14

Q1. Which reaction converts butanoic acid to butan-1-ol?

Q2. Which of the following is a product of the oxidation of butan-1-ol with PCC?

Q3. Which ketone forms a seven-carbon secondary alcohol when treated with \( \ce{CH3CH2MgBr} \)?

Q4. Which compound is produced by the self-aldol condensation of acetone?

Q5. What is the IUPAC name of \( \ce{CH3CH2CH=CHCHO} \)?

Q6. Which reaction converts butanal to 2-ethylhex-2-enal?

Q7. Which pair of compounds can be distinguished by Fehling’s test but not by the iodoform test?

Q8. Which ketone is produced when 4-methylpent-2-yne is hydrated with \( \ce{HgSO4/H2SO4} \)?

Q9. Which reagent converts propan-1-ol to propanal?

Q10. Which of the following is a product of the Rosenmund reduction of acetyl chloride?