Question

Observe the given diagram and answer the following questions:







(i) What do you observe when lead nitrate is heated?

(ii) Mention the gases evolved during heating.

(iii) What is this type of reaction called?

(iv) Write down the balanced chemical equation involved?







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Answer 1

1. brown fumes nitrogen dioxide
2. nitrogen, oxygen
3. decomposition reaction
4. 2Pb(NO3)2 in presence of heat it gives 4NO2+O2

Answer 2

Answer:

1. brown fumes nitrogen dioxide
2. nitrogen, oxygen
3. decomposition reaction
4. 2Pb(NO₃)₂ ----------heat---------> 2PbO + 4NO₂ + O₂