Classification of Elements and Periodicity in Properties - Result Question 31
####31. Correct order of first IP among following elements Be, B, C, N, O is
[2001]
(a)
(b)
(c)
(d)
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Solution:
- (a)
; . IP increases along the period. But IP of . Further IP of because atoms with fully or partly filled orbitals are most stable and hence have high ionisation energy.