What is the number of unpaired electrons in [ Co(NH_3)_6 ]^ 3+ complex?

MHT CET 2022 Chemistry question

What is the number of unpaired electrons in complex?

(A)zeroCorrect
(B)Two
(C)Four
(D)Six

Answer: (A)

Solution

Co is , so is . is a strong-field ligand, so the electrons pair up in the set of the octahedral field: (low spin, inner orbital ). All six d electrons are paired, so the number of

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Question ID VK-096960