The sum of coordination number and oxidation number of M [M(en)_2C_2O_4] Cl is

MHT CET 2026 Chemistry question

The sum of coordination number and oxidation number of M Cl is

(A)9Correct
(B)8
(C)7
(D)6

Answer: (A)

Solution

In the complex the ligands inside the bracket are two ethylenediamine (en) molecules and one oxalate ion, each of which is bidentate (two donor atoms). Coordination number = . For the oxidation number x of M: the complex ion carries charge

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Question ID VK-098638