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The incorrect statement is:...

The incorrect statement is:

A

The second ionisation energy of Se is greater than that of second ionisation energy of As

B

The first ionisation energy of `C^(2+)` ion is greater than that of rist ionisation energy of `N^(2+)` ion

C

The third ionisation energy of, F is greater than that of third ionisation energy of O

D

Helogens have highest I.E. in respectively period.

Text Solution

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The correct Answer is:
D
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