Consider the following statement. I When a gas phase atom in its ground state gains an electron, the enthalpy change is called electron gain enthalpyII. The electron gain process is always exothermic'III. The ionisation enthalpy process is always endothermic.Choose the correct option.

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I and II

Only II

I and III

II and III

answer is C.

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Detailed Solution

The electron gain process may be exothermic or endothermic.

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