Home Chemistry Alcohol, Phenol and Ether JEE Main 2026 From the following, how many compounds conta…
Chemistry Alcohol, Phenol and Ether JEE Main 2026 Single Correct MCQ
Published on: August 14, 2026

From the following, how many compounds contain at least one secondary alcohol?
(I)

(II)
(III)

(IV)
(V)

(VI)

Choose the correct answer from the options given below:

A
Three
B
Five
C
Four
D
Two

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Text Solution

Verified by Experts
The correct answer is:
A

A secondary alcohol has the OH group on a carbon bonded to exactly two other carbon atoms. Analyzing each structure:

( I) contains only primary alcohols and carboxylic acid.
(II) has OH on a carbon bonded to two other carbons (secondary alcohol).
(III) has tertiary and primary alcohols only.
(IV) has secondary alcohols on the cyclopentanone ring.
(V) has OH on a secondary carbon (between two CH groups).
(VI) has the central carbon as tertiary with three OH groups.
Compounds II, IV, and V contain at least one secondary alcohol, giving total .

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