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Four colourless salt solutions are place...

Four colourless salt solutions are placed in separate test tubes and a strip of copper is dipped in each. Which solution finally turns blue ?

A

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

B

`AgNO_(3)`

C

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

D

`Cd(NO_(3))_(2)`

Text Solution

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The correct Answer is:
B
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
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  3. Four colourless salt solutions are placed in separate test tubes and a...

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  4. Red hot carbon will remove oxygen from the oxide XO " and " YO but no...

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  5. The standard electrode potentials (E^(@)) " for " OCl^(-)//Cl^(-) " an...

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  6. If a spoon of copper metal is placed in a solution of ferrous sulphate...

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  7. Among Na, Hg, S, Pt and graphite, which can be used as electrodes in e...

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  8. The most reactive metal among the following is:

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  9. Which of the following metals is most readily corroded in moist air ?

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  10. Which one of the following is not the correct representation?

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  11. Which of the following represents the reduction potential of silver wi...

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  12. If the solution of the CuSO(4) in which copper rod is immersed is dilu...

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  13. A solution of Cu(II) sulphate is reacted with KCl and KI. In which cas...

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  14. From the electrochemical series, it can be concluded that :

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  16. Which are true for a standard hydrogen electrode ?

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  18. When a piece of sodium metal is dropped in water, a reaction takes pla...

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  19. Which one is the wrong statement about electrochemical series?

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  20. The reduction potential values are given below AI^(3+)//AI =- 1.67 "...

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