An aqueous solution containing one mole of `HgI_2` and two moles of NaI is orange in colour.
Channel: Doubtnut
Date: 2020-07-26

An aqueous solution containing one mole of `HgI_2` and two moles of NaI is orange in colour. On addition of excess NaI the solution becomes colourless. The orange colour reappears on subsequent addition of NaOCl. Explain with equation.