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} $
