When a metal rod M is dipped into an aqueous colourless concentreted s – InterviewSolution

1.	When a metal rod M is dipped into an aqueous colourless concentreted solution ofcompound N, the solution tuns light blue. Addition ofaqueousn NaCI to the blue solution gives a white precipitate 'O'. Addition ofaqueous NH_3 dissolves 'O' gives an intese blue solution The metal rod M is
Answer» Fe Cu Ni Co Solution :

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