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The correct order of electron affinity o...

The correct order of electron affinity of B , C , N and O is

A

O gt C gt N gt B

B

B gt N gt CgtO

C

O gt CgtBgtN

D

O gt Bgt C gt N

Text Solution

Verified by Experts

The correct Answer is:
C
Electron affinity of N is zero. This is due to extra stable exactly half filled `p^3` configuration. Except for N and Ne electron affinity increases along the period (2nd period).
`therefore` Correct order of electron affinity is O gt B gt C gt N.
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