Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The element having greatest difference between its first and second ionization energies, is

  1. A

    K 

  2. B

    Sc

  3. C

    Ca 

  4. D

    Ba

Solution

Alkali metals have high difference in the first ionisation and the second ionisation energy as they achieve stable noble gas configuration after first ionisation.

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