NEET Solved Paper 2018 Question 8

Question: Which of the following compounds can form a zwitterion? [NEET - 2018]

Options:

A) Benzoic acid

B) Acetanilide

C) Aniline

D) Glycine

Show Answer

Answer:

Correct Answer: D

Solution:

  • $ \underset{\begin{smallmatrix} \downarrow \\ pK _{a}=9.60 \end{smallmatrix}}{\mathop{{H_3}\overset{\oplus }{\mathop{N}},}},\text{-C}{H_2}-\underset{\begin{smallmatrix} \downarrow \\ pK _{a}=2.34 \end{smallmatrix}}{\mathop{COOH}},\underset{(Zwitterionform)}{\mathop{H _3\overset{\oplus }{\mathop{N}},-CH _2-CO{O^{-}}}}, $ $ {H_2}\text{N-C}{H_2}\text{-COO} $