As per IUPAC nomenclature, the name of the complex [Co(H_2O)_4(NH_3)_2]Cl_3 is

JEE Advanced 2012 Chemistry question

As per IUPAC nomenclature, the name of the complex is

(A)Tetraaquadiaminecobalt (III) chloride
(B)Tetraaquadiamminecobalt (III) chloride
(C)Diaminetetraaquacobalt (III) chloride
(D)Diamminetetraaquacobalt (III) chlorideCorrect

Answer: (D)

Solution

Ligands are named in alphabetical order, ignoring multiplying prefixes: "ammine" (a-m) comes before "aqua" (a-q). The ligand is called "ammine" (double m), not

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Question ID VK-026033