Question

Lead nitrate on heating gives brown colour fumes.
(a) identity the type of reaction.
(b) write the equation.
(c) why the brown colour fumes are observed.

Answer 1

Heres youa answer:

(a). The type of reaction involved is Thermal decomposition.

(b). 2Pb(NO3)2 ---------------->> 2PbO + 4NO2 + O2 (^heat^)

(c). The brown fumes are Nitrogen dioxide gas being released during the reaction.

hope you find it helpful:)

Answer 2

a) it is a thermal decomposition reaction.

b) in image....

c)because it leads to the formation of NO2 gas which is brown in colour.