Electron gain enthalpy values of the first four chalcogens are randomly given as -200 kJ/mole , -141 kJ/mole , -190 kJ/mole and -195 kJ/mole. Electron gain enthalpy of oxygen will be

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-190 kJ/mole

-195 kJ/mole

-200 kJ/mole

-141 kJ/mole

answer is D.

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Detailed Solution

Electron gain enthalpy of O(-141 kJ/mole)

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