Biomolecules Ques 19

19. Which of the following compounds can form a zwitterion?

[2018]

(a) Aniline

(b) Acetanilide

(c) Glycine

(d) Benzoic acid

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Answer:

Correct Answer: 19.(c)

Solution:

(c) $HOOC-\underset{Glycine}{CH_2}-NH_2 \leftrightharpoons \overline{O} OC-\underset{\text{Zwitter ion}}{CH_2}-\stackrel{+}{N} H_3$