Q.

Which one of the following statements is incorrect?

Moderate

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a

Greater is the nuclear charge, greater is the electron affinity.

b

Neon has zero electron affinity.

c

Electron affinity decreases from fluorine to iodine in the group.

d

Electron affinity decreases in going down a group and increases across period from the left to the right (→)

answer is C.

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Detailed Solution

There is an exception in EA values of F and Cl.Therefore, EA order is Cl > F > Br > I.(More negative to less negative)
ctaimg

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