1.

The correct structure of glycine at given pH are :

Answer»

`H_(3) overset(oplus)(N)CH_(2)-underset(underset(O)(||))(C)-OH""atpH=2.0`
`H_(3)overset(oplus)(N)CH_(2)-underset(underset(O)(||))(C)-O^(Theta)""at pH=6.0`
`H_(2)NCH_(2)-underset(underset(O)(||))(C)-O^(Theta)`
`H_(2)NCH_(2)-underset(underset(O)(||))(C)-OH""atpH=12`

SOLUTION :At acidic `pH`, glycine will convert to cation and at basic `pH` glycine will convert to anion.


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