The decreasing order of the second ionization potentials of `K, Ca` and `Ba` is

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

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

The decreasing order of the second ionisation potential of K , Ca and Ba is (At. No : K = 19 , Ca = 20 , Ba = 56)

The decreasing order of second ionisation potential of K, Ca and Ba is:

The decreasing order of second ionisation potential of K, Ca, Ba is

The decreasing order of second ionisation potential of K, Ca, Ba is