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The second electron gain enthalpy of oxy...

The second electron gain enthalpy of oxygen is

A

`-140.9kJ"mol"^(-1)`

B

`-200.7kJ"mol"^(-1)`

C

`+780kJ"mol"^(-1)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
Second electron gain enthalpy is positive because energy is needed to add electron to negatively chargedion.
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