Question

Write the reaction of ozone with lead sulphide.

Hint:

PbS (black) $\rightarrow$ PbSO$_4$ (white): classic ozone test.

Answer 1

Step 1: Nature of reaction.
Ozone is a strong oxidising agent.
Step 2: Reaction.
It oxidises PbS (black) to PbSO\(_4\) (white).
Step 3: Conclusion.
This is used as a test for ozone.