Question

PbS reacts with ozone (O3
) and forms PbSO4. As per the balanced equation, molecules of
ozone required for every one molecule of PbS is/are:
a. 4
b. 3
c. 2
d. 1

Answer 1

Answer:

Explanation:

PbS + 4 O3 →  4 O2 + PbSO4

so for every one molecule of PbS 4 molecules of O3 are required

hence option a