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in Chemistry by (106k points)
Electron affinity of sulphur is
(a) more than O and Se
(b) more than O but less than Se
(c) less than O but more than Se
(d) equal to O and Se

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Best answer
(a) Electron affinity increases from left to right in period and decreases from top to bottom in a group but electron affinity of O is less than S due to small size.

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