JEE Main Chemistry question

Variable oxidation state and degenerated orbital shows [BCECE 2004]

(A)-block elements
(B)-block elements
(C)-block elementsCorrect
(D)All of these

Answer: (C)

Solution

-block elements have the general configuration , where the and orbitals are close in energy (degenerate in energy terms) and both can participate in bonding, giving rise to variable

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Question ID VK-133082