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Q.

In 15th group of periodic table which element differs from others because of high electronegativity and absence of d-subshell in the valence shell?

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a

N

b

Bi

c

P

d

Sb

answer is A.

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Detailed Solution

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In every group the first element behaves differently when compared with other elements due to its small size, high E.N and

lack of d-orbitals.

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