1.

Assertion : In the periodic table of chemical element, electron affinity is always found to increase from top to bottom in a group
Reason (R) : In a group, the atomic radii generally increase from top to bottom

A. Both A and R are individually true and R is the correct explanation of A
B. Both A and R are individually true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» E.


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