Question

A metal nitrate A on heating gives yellowish brown coloured metal oxide along with brown gas B and a colourless gas C.Aqueous solution of A on reaction with potassium iodide forms a yellowish precipitate of compound D.Idenitfy A B C D.Identify the types of both the reaction. Metal present in A is used in alloy wch is used for soldering purposes.

Answer 1

A is Lead
B is nitrogen gas
C is Oxygen
D is lead iodide