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Q.

Statement-1: Second electron gain enthalpy of halogens ts always positive.

Statement-2: Fluorine has most negative electron gain enthalpy.

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a

Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

b

Statement-1 is False, Statement-2 is True.

c

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

d

Statement-1 is True, Statement-2 is False.

 

answer is C.

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Detailed Solution

Halogens' electron gain enthalpies are primarily negative, although an element's second electron gain enthalpy, like that of halogen, is positive.

In comparison to chlorine, fluorine has a lower negative electron gain enthalpy.

 

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