Alcohols Phenols And Ethers Question 162

Question: The correct order of acidic strength of the following alcohols is

I. $ CH_3OH $ II. $ C_2H_5OH $ III. $ CH_3-CH(OH)-CH_3 $ IV.

Options:

A) I<II<III<IV

B) III<II<IV<I

C) III<IV<I<III

D) IV<III<II<I

Show Answer

Answer:

Correct Answer: D

Solution:

[d] More stable is alkoxide ion $ R-{O^{\Theta }} $ , more is the acidic nature of corresponding alcohol. Electron donating (+I-effect) alkyl groups decreases the acidic strength.