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Statement I : Second electron gain enthalpy of oxygen is exothermic.
Statement II : Oxygen is the most electronegative element in the modern periodic table

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Statement I is ture and Statement II is false.

Statement I is false and Statement II is ture.

Statement I and Statement II are ture.

Statement I and Statement II are false.

answer is D.

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Detailed Solution

2nd electron gain enthalpy of oxgyen is endothermic;

In fact 2nd electron gain enthalpy of any element is endothermic because energy is absorbed due to the repulsions between mono negative ion and the added electron;
EN of F>O>N>.....on Pauling scale.

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