An aqueous solution containing 1 mol of `HgI_(2)` and `2mol`  of Nal is orange in colour.On addition
Channel: Doubtnut
Date: 2020-07-26

An aqueous solution containing 1 mol of `HgI_(2)` and `2mol`  of Nal is orange in colour. On addition of excess NaI the solution becomes colourless The orange colour reappears on subsequent addition of Na `OCI` Explain with equations .