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When a metal rod M is dipped into an aqu...

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.
The compound N is

A

`AgNO_(3)`

B

`Zn(NO_(3))_(2)`

C

`Al(NO_(3))_(3)`

D

`Pb(NO_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
(a) The colourless aqueous solution N is of silver nitrate.
`underset((M))underset()(Cu(s))+underset((N))underset()(2AgNO_(3)(aq))rarrunderset(("Blue"))underset()(Cu(NO_(3))_(2)(aq))+2Ag(s)`
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