Which of the following molecules has the abil | vedclass

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(B) zwitterion is a molecule that contains both a positive and a negative charge,making it electrically neutral overall. Amino acids,which contain bot

Vedclass · Accepted Answer

$NH_2-CH_2-COOH$

Vedclass · Answer

(B) zwitterion is a molecule that contains both a positive and a negative charge,making it electrically neutral overall. Amino acids,which contain both an acidic carboxyl group $(-COOH)$ and a basic amino group $(-NH_2)$,are capable of internal proton transfer. In $NH_2-CH_2-COOH$ (glycine),the proton from the $-COOH$ group is transferred to the $-NH_2$ group,resulting in the formation of the zwitterion: $^+NH_3-CH_2-COO^-$. Therefore,$NH_2-CH_2-COOH$ is the correct answer.

List-$I$ (Amino acid)	List-$II$ (Positive reaction/Test for functional group present in side chain of amino acid)
$A$. Glutamine	$I$. Hinsberg's test
$B$. Lysine	$II$. Neutral $FeCl_3$ test
$C$. Tyrosine	$III$. Ceric ammonium nitrate test
$D$. Serine	$IV$. Hoffman bromamide degradation

Which of the following molecules has the ability to form a zwitterion?

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