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AIIMS2015ChemistryClassification of Elements and Periodicity in Properties

Which of the following elements will have the highest electron affinity?

Options

  1. AChlorine
  2. BNitrogen
  3. CPhosphorus
  4. DFluorine

Correct answer

A. Chlorine

Step-by-step solution

In general, electron affinity increases from left to right in a period and decreases down the group. But due to interelectronic repulsions in small sized F -atom, Cl has got larger electron affinity than that of F .

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