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Question

Atomic radii of group 15 elements is of the order

A
N>P>As>Bi>Sb
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B
N>P>As>Sb>Bi
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C
N<P<As<Sb<Bi
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D
N<P<As<Sb>Bi
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Solution

The correct option is C N<P<As<Sb<Bi
This increase in atomic radii from N to Bi is due to the corresponding increase in the highest principal quantum number for each succeeding element. Thus option C is the correct one.

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