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JEE Main Chemistry question

ChemistryCoordination CompoundsJEE Main

A complex compound of with molecular formula gives a total of 3 ions when dissolved in water. How many ions satisfy both primary and secondary valencies of the metal in this complex?

Answer: (B)

Solution

Cobalt is with coordination number 6. Giving 3 ions in solution means the complex cation carries a charge and releases 2 free : formula . The

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Question ID VK-155271