JEE Advanced Chemistry question

Select the correct relative stability

(A)[Cu(CN)_4]^{3-} > [Cd(CN)_4]^{3-}Correct
(B)
(C)
(D)[Cd(CN)_4]^{2-} > [Cu(CN)_4]^{3-}

Answer: (A)

Solution

As established in the previous question, the cyanide complex of , , is markedly more stable (far higher formation constant) than the corresponding cadmium cyanide complex, consistent with being a better

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Question ID VK-159625