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The process that is NOT endothermic in n...

The process that is NOT endothermic in nature is :

A

`Ar_((g))+e^(-)rarrAr_((g))^(-)`

B

`H_((g))+e^(-)rarr H_((g))^(-)`

C

`O_((g))^(-)+e^(-)rarrO_((g))^(2-)`

D

`Na_((g))rarrNa_((g))^(+)+e^(-)`

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS 2020-CHEMSITRY
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