JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

Which of the following does not represent the correct order of the properties indicated?

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Correct option: D

\mathrm{Li} < \mathrm{Na} > \mathrm{K} > \mathrm{Cs}(\mathrm{E})_1

Option D is correct. The electron affinity of Li is not less than Na. The correct order for E1 is Li > Na > K > Cs.

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