Question

a metal nitrate 'a' on heating gives yellowish brown coloured metal oxide along with brown gas 'b' and a colourless gas 'c' . Aqua soln. of 'a' on rxn with pottasium oxide forms a yellow precipitate of compound 'd'. Identify a,b,c,d and also identify the types of both the rxn metals present in 'a' show that is used in alloy which is used for soldering purpose

Answer 1

a- Nano3

b-no2

c-o2

d-kno3