Question: Match List-I with List-II
$(\mathrm{a})-(\mathrm{ii}),(\mathrm{b})-(\mathrm{iii}),(\mathrm{c})-(\mathrm{iv}),(\mathrm{d})-(\mathrm{i})$
(a) $-$ (iv), (b) $-$ (i), (c) $-$ (ii), (d) $-$ (iii)
(a) $-$ (i), (b) $-$ (iv), (c) $-$ (iii), (d) $-$ (ii)
(a) $-($ i $),($ b $)-($ iii $),($ c $)-($ iv $),($ d $)-($ ii $)$
Correct Option: 1
Solution:
Order of I.E. in second period
$\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}<\mathrm{O}<\mathrm{N}<\mathrm{F}<\mathrm{Ne}$