JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

In which of the following arrangements the order is not correct according to property indicated against it?

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Correct option: B

Increasing

I{E_1}\mathrm{\;}:\mathrm{B} < C < N < O

The correct answer is B (Increasing

I{E_1}{\;}:{\;}\mathrm{B} < C < N < O

) because the first ionization energy of Nitrogen is greater than Oxygen due to the stable half-filled electronic configuration of Nitrogen.

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