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Electron affinity is positive when...

Electron affinity is positive when

A

`O^(-)` is formed from O

B

`O^(2-)` is formed from `O^(-)`

C

`O^(+)` is formed from O

D

`O^(3-)` is formed from `O^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`O_((g))^(-) + e^(-) to O_((g))^(2-) - E , `(`DeltaH=+ve`, Endoenergic)
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