Question

Lead nitrate on thermal decomposition produces

• A. Green solid, Colourless gas
• B. Pale yellow solid, Gas with reddish brown fumes
• C. Reddish brown solid, Gas with dark green fumes
• D. Pale yellow solid, Gas with reddish brown fumes

Answer 1

The correct option is B

Pale yellow solid, Gas with reddish brown fumes

Lead nitrate on heating undergo thermal decomposition reaction to form a pale yellow residue of lead oxide and produces reddish brown fumes of nitrogen dioxide and colourless oxygen gas.
$2Pb\left(N{O}_3{)}_2\right(s)\to 2PbO(s)+4N{O}_2(g)+O_2(g)$