1.

`R-overset+overset(NH_3)overset|CH-COO^(-) overset(pH=12)to R-oversetoverset(NH_2)|CH-COO^(-) overset(H^+) to Z ` compound Z isA. `R-oversetoverset(NH_2)|CH-COO^-`B. `R-oversetoverset(" "+)(NH_3)overset|CH-COO^-`C. `R-oversetoversetoverset+(NH_3)|CH-COOH`D. `R-oversetoverset(NH_2)|CH-COOH`

Answer» Correct Answer - B
`-NH_2` is a better base than - `COO^-` group. Hence, Z=R-CH-`COO^-`


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