JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Easy

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Analyzing +4 | -1

Among the following second ionisation energy is maximum for

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Correct option: C

Option C (Cr) is correct because Chromium achieves a stable electronic configuration (

4s^1 3d^5

) after losing one electron, requiring more energy for the second ionization.

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