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Which one of the following statements is incorrect?

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Greater is the nuclear charge , greater is the negative electron gain enthalpy.
Nitrogen has almost zero electron gain enthalpy.
Negative electron gain enthalpy decreases from fluorine to iodine in the group.
Chlorine has highest negative electron gain enthalpy.

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detailed solution

Correct option is C

The electron gain enthalpy typically falls as one moves down the group as a result of an increase in atomic size, however travelling from F to Cl results in an increase in electron gain enthalpy.

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