# Which of the following will not exist in zwitter ionic form at pH =7 ? Option 1) Option 2) Option 3) Option 4)

As we learned

Zwitter ion -

A molecule with dipolar ends ( an acidic end and a basic end )

- wherein

In aqueous solution,

$-NH_{2}$ and $-COOH$ group undergo ionization

$-NH_{2}$ accepts $H^{+}$ and becomes $NH_{3}^{+}$ and $-COOH$ losses $H^{+}$ and becomes $-COO^{-}$

The N atom of amide is not basic.

Option 1)

Option 2)

Option 3)

Option 4)

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