1.

In aqueous solution amino acids moslty exit asA. `NH_(2)-CHR-COOH`B. `NH_(2)-CHR-COO^(-)`C. `overset(+)(N)H_(3)CHRCOOH`D. `H_(3)overset(+)NCHRCOO^(-)`

Answer» Correct Answer - D
In aqueous solutions , amino acids mostly exist as zwitter ion or dipolar ion
`underset("zwitter ion")(overset(+)NH_(3)-overset(R)overset(|)CH-COO^(-))`


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