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An aqueous solution of salt containing a...

An aqueous solution of salt containing an acidic radical `X^(-)` reacts with sodium hypochlorite in neutral medium. The gas evolved produces blue black colour spot on the starch paper. The anion `X^(-)` is :

A

`CH_(3)COO^(-)`

B

`Br^(-)`

C

`I^(-)`

D

`NO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`I^(-) +OCI^(-) rarr I_(2)` (Blue black colour spot on strach paper)
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