1.

PbO_(2) can act as an oxidising agent.

Answer»

Solution :In `PbO_(2)` and `SnO_(2)`, bothlead and tin are present in `+4`-OXIDATIONSTATE. But due to stronger inert PAIR effect,`Pb^(2+)`ions is more stable than `Sn^(2+)`ions . In other words, `Pb^(4+)` ions i.e. `PbO_(2)`,is more EASILY REDUCED to `Pb^(2+)`ions than `Sn^(4+)`ions are reduced to`Sn^(2+)` ions. Thus, `PbO_(2)` acts a strongeroxidising agent than `SnO_(2)`.


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