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Glycine exists as the zwittr ion, overse...

Glycine exists as the zwittr ion, `overset(+)NH_(3)CH_(2)COO^(-)`. Its conjugate base is

A

`NH_(2)CH_(2)COOH^(2^(+))`

B

`NH_(2)CH_(2)COO^(-)`

C

`overset(+)NH_(3)CH_(2)COOH`

D

`NH_(3)CH_(2)COO overset(+)H`

Text Solution

Verified by Experts

The correct Answer is:
B
`NH_(3)^(+)CH_(2)COO^(-) overset(-H^(+))rarr NH_(2)CH_(2)COO^(-)`
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Assertion (A): The amino acid glycine predominatly exists in the form of ^(o+)NH_(3)CH_(2)COO^(Theta) . Reason (R) : The conjugate acid of glycine is NH_(2)CH_(2)COO^(Theta) .

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