Assertion (A) : Group 17 elements have very high negative electron gain enthalpies.

Reason (R) : Group 17 elements attain stable noble gas electronic configurations by picking up an electron.

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(A) and (R) both are correct but (R) is not correct explanation for (A)

(A) and (R) both are correct and (R) is correct explanation for (A)

(A) is correct but (R) is wrong statement

(A) and (R) both are wrong statements

answer is C.

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Detailed Solution

Group 17 elements have very high negative electron gain enthalpies because they stable noble gas electronic configurations by picking up an electron.

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