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The decreasing order of second ionizatio...

The decreasing order of second ionization energy of K, Ca and Ba (Z : K = 19, Ca = 20, Ba = 56)

A

` K gt Ca gt Ba`

B

`Ca gt Ba gt K`

C

`Ba gt K gt Ca`

D

`K gt Ba gt Ca`

Text Solution

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The correct Answer is:
A
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