What is the oxidation state of cobalt in a complex [ Co(NH_3)_6 ]^ 3+ ?

MHT CET 2022 Chemistry question

What is the oxidation state of cobalt in a complex ?

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

Let the oxidation state of Co be . is a neutral ligand (charge 0) and the overall charge on the complex ion is . Therefore , so . Hence cobalt is in the oxidation state,

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Question ID VK-097143