Question

Identify x,y,z in the following balanced reaction
xPb(NO3)2 yPbO + zNO2 +O2 (i) 2,4,2 (ii) 2,2,4 (iii) 2,4,4 (iv) 4,2,2

Answer 1

Answer:

(ii)-2,2,4

Explanation:

2 PB(NO3)2 = 2 PBO + 4 NO2 + O2

You can use half reaction method to solve it or just basic balancing technique.

Answer 2

The correct option is ii.

• On heating lead nitrate produces lead oxide along with nitrogen dioxide and oxygen gas.
• The balanced chemical equation is as follows-
• $2Pb(NO_3)_2\rightarrow 2PbO+4NO_2+O 2$
• In this reaction on heating two moles of lead nitrate produces two moles of lead oxide along with four moles of nitrogen dioxide and one mole of oxygen gas.
• Hence the value of x, y and z are 2,2 and 4.