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NEET levelSingle correct optionDifficulty 1 of 3pt063

The chloride ion is larger than the chlorine atom because:

  1. Athe nuclear charge increases by one unit
  2. Bthe extra electron is added to a lower shell
  3. Cthe anion has an extra shell
  4. Dthe extra electron increases inter-electronic repulsion while the nuclear charge stays at

Answer: D

Adding an electron to the 3p subshell raises electron repulsion and lowers per electron because the nuclear charge is unchanged. The electron cloud expands.
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