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Question

Which statement is correct ?


A

Sn4+ is more stable than Sn2+

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B

Pb2+ is more stable than Pb4+

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C

Both (A) and (B)

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D

None of these

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Solution

The correct option is C

Both (A) and (B)


14th group elements exhibit an oxidation state of +2 & +4. Down the group the stability of +4 decreases.

Pb+4 is less stable due to inert pair effect. Tl (13th group), Pb (14th group), Bi (15th group) exhibit inert pair effect. These elements are stable in their lower oxidation states.

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