See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Mercuric chloride, HgCl2. Chromyl chloride test is used for the conformation of chloride ion. Formation of red vapour, yellow solution, yellow ppt. [Chloride of 3 4 1 2 2 5 , , , , , , Sb Sn Ag Pb Hg Hg Sb        does not give dissolve significantly in water]