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A=1s^(2)2s^(2)2p^(4) B=1s^(2)2s^(2)2p^(...

`A=1s^(2)2s^(2)2p^(4) B=1s^(2)2s^(2)2p^(5)`
`C=1s^(2)2s^(2)2p^(6)`
(One of A/B/C is neutral atoms)
A,B&C are atoms/anion of same element.
Then :-

A

`B_(g)+e^(-)toC_(g)` is exothermic

B

`A_(g)toA_(g)^(+)+e^(-)` is exothermic

C

`C_(g)toA_(g)+2e` is exothermic

D

`B_(g)toA_(g)+e^(-)` is exothermic

Text Solution

Verified by Experts

The correct Answer is:
C
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