JEE · NEET Previous Year Question

The incorrect statement among the following is:

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

  1. Athe first ionization energy of Al is less than first ionization energy of Mg.
  2. Bthe second ionization energy of Mg is greater than second ionization energy of Na.
  3. Cthe first ionization energy of Na is less than first ionization energy of Mg
  4. Dthe third ionization energy of Mg is greater than third ionization energy of Al.

Correct answer: B

Solution

(b) of Na > Mg as in Na, second electron is to be removed from stable inert gas configuration i.e.,.

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