PbO _2 PbO : G_ 298 0 Most probable oxidation state of Pb & Sn will be :

NEET 2001 Chemistry question

: : Most probable oxidation state of Pb & Sn will be :

(1),
(2),
(3),
(4), Correct

Answer: (4)

Solution

A negative means the change is spontaneous. (Pb: +4 to +2) is spontaneous, so the +4 state of lead is unstable (inert pair effect) and the +2 state is the more stable one

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Question ID VK-088814