Q25 / 95 · NTA Abhyas (JEE Main) 2020 · Chemistry · s Block Elements

Compared with the alkaline earth metals, the alkali metals exhibit

  • A
    Greater hardness
  • B
    Smaller ionic radii
  • Correct answer
    C
    Lower ionisation energies
  • D
    Highest boiling points

Solution

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

Hence, the correct answer is option: 'C'.

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