Nitrogen Containing Compounds Question 77

Question: Which of the following compounds is an amino acid [Manipal MEE 1995]

Options:

A) $ CH_3-CH_2-\overset{O}{\mathop{\overset{||}{\mathop{C}},}},-O-NH_4 $

B) $ CH_3-\underset{NH_2,}{\mathop{\underset{|,}{\mathop{CH-}},}},\overset{O}{\mathop{\overset{||}{\mathop{C}},}},-OH $

C) $ CH_3-CH_2-\overset{O}{\mathop{\overset{||}{\mathop{C}},}},-NH_2 $

D) $ CH_3-\underset{NH_2}{\mathop{\underset{|,}{\mathop{CH-}},}},\overset{O}{\mathop{\overset{||}{\mathop{C}},}},-Cl $

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Answer:

Correct Answer: B

Solution:

$ CH_3-\underset{NH_2}{\mathop{\underset{|}{\mathop{C}},H}},-COOH $ The compounds in which both amino $ (-NH_2) $ as well as acidic (?COOH) group is present is called amino acid.