Why is lead(IV) oxide, PbO₂, a strong oxidising agent?
Correct answer C. Lead prefers the +2 state, so Pb(IV) readily gains electrons to become Pb(II)
Explanation
Owing to the inert pair effect, +2 is the most stable oxidation state of lead. Pb(IV) in PbO₂ therefore readily accepts two electrons to form Pb(II), making it a strong oxidising agent.
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