Equilibrium Question 899

Question: Choose the correct order of strength of following acids.

(i) CH3CH2CH2COOH

(ii)  CH3CH2CH(Br)COOH

(iii) CH3CH(Br)CH2COOH

(IV) (CH3)2CHCOOH

Options:

A) I < II < III < IV

B) IV < I < III < II

C) IV < III < I < II

D) II < I < III < IV

Show Answer

Answer:

Correct Answer: B

Solution:

AlkyI group with + 1 effect decreases the acidic strength whereas with - 1 effect increases the acidic strength - 1 effect decreases with distance.

Increasing order of acidic strength is (CH3)2CHCOOH<CH3CH2CH2COOH <CH3CH(Br)CH2COOH< CH3CH2CH(Br)COOH



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