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Which of the following has highest first...

Which of the following has highest first ionisation potential?

A

Carbon

B

Oxygen

C

Nitrogen

D

Boron

Text Solution

Verified by Experts

The correct Answer is:
C
Ionisation potential increases from left to right but ionisation potential of group 15 is greater than that of group 16 due to stable half filled electronic configuration. Thus nitrogen has highest `1^(st)` ionization potential among the given atoms.
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