Question

Which of the following reactions could be used to extract the lead from the lead nitrate?

a. Combustion
b. Decomposition
c. Double replacement
d. Single replacement
e. Synthesis

Answer 1

Option b. Decomposition

Followed by a reduction process using charcoal

Step-by-step explanation:

Lead can be obtained from lead nitrate by thermal decomposition of lead nitrate as shown below:

2Pb(NO3)2 —> 2PbO + 4NO2 + O2

The PbO obtained is reduced by charcoal(C) to obtain the metallic Pb as shown below:

2PbO + C —> Pb + CO2