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The gas evolved in which of the followin...

The gas evolved in which of the following reactions forms the iodide of Millon's base on being passed through a solution of `[HgI_(4)]^(2-)` in KOH?

A

`CaSO_(4)` treated with dilute HCl

B

`NH_(4)Cl` boiled with NaOH

C

`ZnS` treated with dilute `H_(2)SO_(4)`

D

`MgCO_(3)` heated alone

Text Solution

Verified by Experts

The correct Answer is:
B
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