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The correct order of second ionisation p...

The correct order of second ionisation potentials of carbon, nitrogen, oxygen and fluroine is

A

CgtNgtOgtF

B

OgtNgtFgtC

C

OgtFgtNgtC

D

FgtOgtNgtC

Text Solution

Verified by Experts

The correct Answer is:
C
For second IE compare `C^(+) (2s^(2)2p^(1)), N^(+) (2s^(2)2p^(2)),O^(+) (2s^(2)2p^(3)) ` and `F^(+) (2s^(2)2p^(4)).` obviously, the order of IE amont these unipositive species is `O^(+) gt F^(+) gt N^(+) gt C^(+)`.
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