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JEE Main Chemistry question

ChemistryCoordination CompoundsJEE Main

In the quantitative analysis of the second group in the laboratory, HS gas is passed in an acidic medium for precipitation. When Cu and Cd react with KCN, the true statement about the resulting products is:

Answer: (B)

Solution

The copper–cyanide complex is highly stable (preventing CuS precipitation), whereas the cadmium–cyanide complex, , is

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Question ID VK-131094