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Chapter 2: Q9. (page 40)

Draw the structures of the conjugate bases of the following acids:


COO-|CH|COOHAcid COOH|CH2|NH3+Acid

(a) (b)

Short Answer

Expert verified

The structure of the conjugate bases are shown below.

COO-|CH|COO-Conjugatebase COO-|CH2|NH2+Conjugatebase

(a) (b)

Step by step solution

01

Introduction of conjugate acid-base pair

An acid and a base which are different only by either presence or absence of proton are referred to as conjugate acid-base pairs.

In a chemical reaction, acid donates proton and its conjugate base is formed while base accepts a proton and its conjugate acid is formed.

02

Explanation for (a)

The structure of the conjugate base is as follows:

COO-COO-||CHCH鈫�+H+CHCH||COOHCOO-AcidConjugatebaseProton

03

Explanation for (b)

The structure of the conjugate base is as follows:

COOHCOO-||CH2鈫�CH2+H+||NH3+NH3+AcidConjugatebaseProton

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