The correct order of ionisation energy of C,N | vedclass

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Question

(B) On moving from left to right in a period,ionisation energy generally increases due to an increase in effective nuclear charge.Thus,the expected or

Vedclass · Accepted Answer

$C < O < N < F$

Vedclass · Answer

(B) On moving from left to right in a period,ionisation energy generally increases due to an increase in effective nuclear charge.Thus,the expected order of ionisation energy for $C$,$N$,$O$,and $F$ is $C However,the ionisation energy of $N$ $(1s^2 2s^2 2p^3)$ is greater than that of $O$ $(1s^2 2s^2 2p^4)$.This is because $N$ has a stable half-filled $p$-orbital configuration,which requires more energy to remove an electron.Therefore,the correct order is $C < O < N < F$.

The correct order of ionisation energy of $C$,$N$,$O$,and $F$ is

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