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Anamolous Behaviour of Boron

The most stab...

Question

The most stable oxidation state of thallium & bismuth are respectively:

A

+ 3, + 3

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B

+ 1, + 5

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C

+ 1, + 3

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D

+ 1, + 1

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Solution

The correct option is B $+ 1, + 3$
This is due to inert pair affect because of this s orbital doesnot participate in the bond formation.Though it is in the valence shell and this affect increases as we move down the group.

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Anamolous Behaviour of Boron

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