The incorrect statement among the following

Options

A. The first ionization potential of Al is less than the first ionization potential of Mg
B. The second ionization potential of Mg is greater than the second ionization potential of Na
C. The first ionization potential of Na is less than the first ionization potential of Mg
D. The third ionization potential of Mg is greater than the third ionization potential of Al

Answer

B

Explanation

Ist I.E. Mg > Na more `Z_(eff)` & fully filled. But after removing one `e^(-)` from Na, it achieves Noble gas configuration, so removal of dual electron will be more difficult in comparison to 2nd `e^(-)` removal from Mg.