Ease of esterification of the following alcohols ${C H}_{3} {C H}_{2} O H (I), {({C H}_{3})}_{2} C H O H$ and ${({C H}_{3})}_{3} C O H (I I I)$ with $H C O O H$ is:

I < I I < I I I

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I I I < I I < I

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I I < I < I I I

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I = I I = I I I

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Solution

The correct option is C $I I I < I I < I$
As the size of the alcohol increases, the ease of nucleophile attack of the alcohol on the $C = O$ group of $C O O H$ group decreases due to steric hindrance and hence ease of esterification decreases.

Hence, option B is correct.

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Similar questions

Q. Arrange the following alcohols in the decreasing order of their ease of dehydration with

H_{2} S O_{4}

Arrange the following alcohols in order of increasing ease of dehydration
$C H_{3} C H_{2} O H$ $C_{6} H_{5} C H_{2} O H$
I II

$C l_{3} C C H_{2} O H$ $F_{3} C C H_{2} O H$
III IV

The priority order of the following substituent will be:

-OCH₃ ; -N(CH₃)₂ ; -CH₃ ; -H

I II III IV

Order of decreasing acidity of the following is

(I) HCOOH

(II) ${C H}_{3} C O O H$

(III) ${C l}_{2} C H C O O H$

(IV) ${C F}_{3} C O O H$

Q. The decreasing basic character of the following is:
I.

P h O^{⊖}

II.

C H_{3} S^{⊖}

III.

⊖ O H

IV.

M e O^{⊖}

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Ease of esterification of the following alcohols CH3CH2OH(I),(CH3)2CHOH and (CH3)3COH(III) with HCOOH is:

The correct option is C III<II<IAs the size of the alcohol increases, the ease of nucleophile attack of the alcohol on the C=O group of COOH group decreases due to steric hindrance and hence ease of esterification decreases.Hence, option B is correct.

Ease of esterification of the following alcohols ${C H}_{3} {C H}_{2} O H (I), {({C H}_{3})}_{2} C H O H$ and ${({C H}_{3})}_{3} C O H (I I I)$ with $H C O O H$ is:

The correct option is C $I I I < I I < I$
As the size of the alcohol increases, the ease of nucleophile attack of the alcohol on the $C = O$ group of $C O O H$ group decreases due to steric hindrance and hence ease of esterification decreases.

Hence, option B is correct.