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Reaction of Co H 2 O 6 2 + with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in t 2 g -orbitals of the product is

Correct answer

6

Step-by-step solution

Co H 2 O 6 2 + + 6 N H 3 → air Co NH 3 6 3 + + 6 H 2 O + e − Electronic configuration of Co NH 3 6 3 + = t 2 g 6 e g 0 Air oxides the Co (II) to Co (III)

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