MHT CET 2023 Chemistry question

Identify cationic sphere complex from following

(A)Tetramminecoper (II) ionCorrect
(B)Tetracyanonickelete (II) ion
(C)Trioxalatocobalate (III) ion
(D)Triamminetrinitrocobalt (III)

Answer: (A)

Solution

A cationic complex is one whose coordination sphere carries a net positive charge. (a) Tetraamminecopper(II) is : four neutral NH ligands and Cu give a net charge of , so it is cationic. (b) Tetracyanonickelate(II) is : $+2 + 4(-1) =

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Question ID VK-098005