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The decreasing order of the second ionis...

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

A

`KgtCagtBa`

B

`BagtCagtK`

C

`KgtBagtCa`

D

`K=Ba=Ca`

Text Solution

Verified by Experts

The correct Answer is:
A
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