Chemical Reactions & Equations (C10)

(i) Write two observations when lead nitrate is heated in a test tube.

(ii) Name the type of reaction.

(iii) Write a balanced chemical equation to represent the above reaction.

Answer

(i) It turns yellow due to formation of lead oxide and Reddish brown fumes evolve.

(ii) Thermal decomposition reaction.

(iii) 2Pb(NO3)2 + heat → 2PbO + 4NO2 + O2