Periodic Classification of Elements

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Question 1 of 20

Assertion (A) Fluorine has a less negative electron affinity than chlorine.Reason (R) There is relatively greater effectiveness of 2p-electrons in the small F atom to repel the additional electron entering theatom than to 3p-electrons in the larger Cl atom.

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Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true but (R) is not the correct explanation of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

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