Question

Name a nitrate which produces brown gas on heating which is formed by a yellow metal

Answer 1

a metal nitrate A on heating gives yellowish brown coloured metal oxide along with brown gas B and colourless gas C . aquaus solution of A on reaction with potassiom iodide form a yellow precipitate of compound D

1 identify A,B,C,D

2 identify both the reactions

3 metal present in A is used in alloy . which is used for solidering purposes