The decreasing order of the second ionization potential of M... | CHEMISTRY - GROUP 2 ELEMENTS - ALKALINE EARTH METALS | SolveeIt | Solveeit

Today, August 18

Question

The decreasing order of the second ionization potential of Mg, Ca and Ba is

A

Mg > Ca > Ba

B

Ca > Ba > Mg

C

Ba > Mg > Ca

D

Mg > Ba > Ca

Answer

Mg > Ca > Ba

Explanation

Solution

(aa): Both 1^st and 2^nd ionization energies decrease down the group.