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Which of the following will turn blue wh...

Which of the following will turn blue when placed in the copper vessel?

A

`aq. AgNO_3` ,

B

aq. NaCl

C

`aq. ZnSO_4`

D

`aq. Cd(NO_3)2` ,

Text Solution

Verified by Experts

The correct Answer is:
A
Ag comes after Cu in electrochemical series. Thus, Cu is more reactive and can replace Ag from its solution.
`2AgNO_3+Cutounderset(Blue)(Cu(NO_3)_2)+2Ag`
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