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JEE Main levelSingle correct optionDifficulty 2 of 3pb102

The correct order of stability of the $+ 2$ oxidation state for group 14 elements is

A $Sn < Ge < Pb$
B $Ge < Pb < Sn$
C $Ge < Sn < Pb$
D $Pb < Sn < Ge$

Answer: C

The inert pair effect strengthens down the group, as the

n s^{2}

electrons become more reluctant to take part in bonding. Therefore the stability of the

+ 2

state increases from Ge to Sn to Pb.

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