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Which element has the most negative electron gain enthalpy? (A) Sulphur(B) Fluorine (C) Chlorine (D) Hydrogen |
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Answer» Correct option is : (C) Chlorine In general the electron gain enthalpy (magnitude) increases along a period as we move from left to right and decreases as we move down in a group, but due to small size of 'F' it has less electron gain enthalpy than Cl Hence, Cl has highest negative electron gain enthalpy Correct option is (C) Chlorine |
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