Correct order of first IP among following elements Be, B, C,
N, O is
(a) B < Be < C < O < N (b) B < Be < C < N < O
(c) Be < B < C < N < O (d) Be < B < C < O < N
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Correct order of first IP among following elements Be, B, C, N, O is (a) B < Be < C < O < N
Explanation:
As we move from left to right along period IP increases. While the atoms with fully filled and partially filled orbitals required more energy and because they are stable. The IP of Be is greater than B and IP of nitrogen is greater than oxygen. Thus the correct order is (a) B < Be < C < O < N
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