A substance forms zwitter ion, it can have functional groups `-`

Options

A. `-NH_(2),-COOH`
B. `-NH_(2),-SO_(3)H`
C. `-OH,-COOH`
D. `(1)` and `(2)` Both

Answer

4

Explanation

`R-underset(NH_(2))underset(|)(CH)-COOHhArr underset("Zwitter ion")(R-underset(.^(+)NH_(3))underset(|)(CH)-COO^(ɵ))`
`R-underset(NH_(2))underset(|)(CH)-SO_(3)HhArrunderset("Zwitter ion")(underset(.^(+)(NH_(3)))underset(|)(CH)-SO_(3)^(-))`,