Question

16. A white salt on heating decomposes to give brown fumes and a residue is left behind.

a. Name the salt

b. Write a chemical equation for the same

Answer 1

Hola there,

(a) Lead nitrate [Pb(NO3)2]

(b) 2Pb(NO3)2 (s) ---› 2PbO (s) + 4NO2 (g) + O2 (g)

Lead nitrate(White salt) on getting heated gives Lead oxide (Residue) , nitrogen dioxide (brown fumes) and oxygen.

Hope this helps...:)