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

1.	When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous NH_(3) dissolves. O and gives an intense blue solution QThe compound N is
Answer» `AgNO_(3)` `Zn(NO_(3))_(2)` `Al(NO_(3))_(3)` `Pb(NO_(3))_(2)` ANSWER :A

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