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NTA Abhyas JEE Main2020Chemistrys Block ElementsPractice

Compared with the alkaline earth metals, the alkali metals exhibit

Options

  1. AGreater hardness
  2. BSmaller ionic radii
  3. CLower ionisation energies
  4. DHighest boiling points

Correct answer

C. Lower ionisation energies

Step-by-step solution

Because of the larger size and smaller nuclear charge, alkali metals have low ionisation potential relative to alkaline earth metals

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