Question

Identify ‘p’, ‘q’ and ‘r’ in the following balanced reaction:

\[\ce{p Pb(NO3)_{2(s)} ->[Heat] q PbO_{(s)} + r NO_{2(g)} + O_{2(g)}}\]

Options

• 2, 2, 4

• 2, 4, 2

• 2, 4, 4

• 4, 2, 2

Answer 1

2, 2, 4