1.

which one of the following salts will evolve halogen on treatment with conc. `H_(2)SO_(4)` ?A. `NaCI`B. `CaCI_(2)`C. `NaBr`D. `KI`

Answer» Correct Answer - C::D
`2NaBr+underset(conc.)H_(2)SO_(4)rarr 2NaHSO_(4)+Br_(2)`
`2KI+H_(2)SO_(4)rarr 2KHSO_(4)+I_(2)uarr`


Discussion

No Comment Found