Coordination Compounds Question 2

Question 2 - 2024 (01 Feb Shift 1)

Which of the following complex is homoleptic?

(1) $\left[Ni(CN) _4\right]^{2-}$

(2) $\left[Ni\left(NH _3\right) _2 Cl _2\right]$

(3) $\left[Fe\left(NH _3\right) _4 Cl _2\right]^{+}$

(4) $\left[Co\left(NH _3\right) _4 Cl _2\right]^{+}$

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Answer (1)

Solution

In Homoleptic complex all the ligand attached with the central atom should be the same. Hence $\left[Ni(CN) _4\right]^{2-}$ is a homoleptic complex.