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ExamsNEETChemistry

Ionic radii are:

  1. inversely proportional to effective nuclear charge
  2. inversely proportional to square of effective nuclear charge
  3. directly proportional to effective nuclear charge
  4. directly proportional to square of effective nuclear charge

Correct answer: inversely proportional to effective nuclear charge

Solution

Ionic radii decrease as the effective nuclear charge increases because the increased attraction pulls the electrons closer to the nucleus, reducing the size of the ion.

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