Classification of Elements and Periodicity in Properties - Result Question 9
####9. For the second period elements the correct increasing order of first ionisation enthalpy is :
(a) $Li<Be<B<C<N<O<F<Ne$ [2019]
(b) $Li<$ B $<Be<C<O<N<$ F $<Ne$
(c) $Li<$ B $<Be<$ C $<N<$ O $<$ F $<Ne$
(d) $Li<Be<$ B $<$ C $<$ O $<$ N $<$ F $<Ne$
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Solution:
- (b) Consider the stability of electronic configuration after loss of one electron.
