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In alkaline medium, alanine exists predo...

In alkaline medium, alanine exists predominantly as

A

anion

B

zwitter ion

C

cation

D

covalent form

Text Solution

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The correct Answer is:
B
Alanine exists as a zwitter ion in neutral solution, in acidic medium, `COO^(-)` ion of the zwitter ion accepts a protion to form a cation while in alkaline medium `NH_(3)^(+)` loses a proton to form an anion.
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