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the correct order of electron affinty isA. `OgtCgtNgtB`B. `BgtNgtCgtO`C. `OgtCgtBgtN`D. `OgtBgtCgtN`

Answer» Correct Answer - C
`underset(140.9)(O)gtunderset(122.3)(C) gt underset(83)(B) gtN` value of electron affinity increase on going from left to right in periods but the value of electrons affinity of `V^(th)` `A` elements is less than that of `IV^(th) A` element, this is due to half-filled p-orbitals presence.


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