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Assertion (A): In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.

2003

Assertion (A): In the periodic table of chemical elements, 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:

(d)

Moderate

Explanation

Electron affinity decreases down a group. Hence, (d) is correct.