The correct order of second ionization energy of C,N,O and F are in the order:

Options

A. `FgtOgtNgtC`
B. `C gt N gt O gt F`
C. `O gt N gt F gt C`
D. `O gt F gt N gt C`

Answer

D

Explanation

`C^(+),N^(+),O^(+),F^(+)`
`2p^(1)" " 2p^(2)" "2p^(3)" "2p^(4)`
order of `1E_(2): C lt N lt F lt O`