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Question

The ionization energy of F is 320 kJ/mole. The electron gain enthalpy of fluorine would be?


A

-320 KJ/mole

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B

-160 KJ/mole

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C

320 KJ/mole

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D

160 KJ/mole

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Solution

The correct option is A

-320 KJ/mole


Ionization enthalpy is exactly opposite to electron gain enthalpy in this case. If you are talking about ionization enthalpy of F and electron gain enthalpy of F, then we can't say the same thing.

F F + e ΔH = 320kJ/mole(I.E)

F+e F ΔH = 320kJ/mole(I.E)


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