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Question

The electron affinity :
  1. of S is less than oxygen
  2. of Cl is less than Cl
  3. of carbon is greater than oxygen
  4. of fluorine is less than iodine

A
of carbon is greater than oxygen
B
of fluorine is less than iodine
C
of Cl is less than Cl
D
of S is less than oxygen
Solution
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The electron affinity decreases from left to right in a period. Carbon comes first when we go from left to right. So electron affinity of carbon is greater than oxygen.

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