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NEET levelSingle correct optionDifficulty 1 of 3pb093

Because of the inert pair effect, the most stable oxidation state of lead is

A $- 4$
B $+ 4$
C $+ 3$
D $+ 2$

Answer: D

Down group 14 the

n s^{2}

pair becomes harder to use for bonding, so the lower oxidation state becomes more stable. For lead the

+ 2

state is more stable than

+ 4

.

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