Q.
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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a
Statement I and Statement II are ture.
b
Statement I is ture and Statement II is false.
c
Statement I is false and Statement II is ture.
d
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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