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The metal that cannot displace hydrogen ...

The metal that cannot displace hydrogen from dilute hydrochloric acid is

A

aluminium

B

iron

C

copper

D

zinc

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
  1. If the cell reaction is spontaneous

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  2. (A) : If E^(0) " of " Cu^(2+)//Cu=+0.34V and E^(0) " of "Ag^(+) // Ag ...

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  3. The metal that cannot displace hydrogen from dilute hydrochloric acid ...

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  4. A standard hydrogen electrode has zero electrode potential because

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  5. The following statements about electro chemical series are i) the ...

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  6. The following are some statements about normal hydrogen electrode ...

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  7. Which defines the standard reduction electrode potential of Zn^(2+) io...

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  8. (A) : Lithium has less electrode potential than caesium (R) : Hydr...

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  9. The reference electrode is made by using

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  10. The more electro positive element has

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  11. The correct match is

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  12. A smuggler could not carry gold by depositing iron on the gold surface...

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  13. Standard reduction electrode potential of three metals A, B and C are ...

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  14. The difference of potential of two electrodes in a galvanic cell is kn...

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  15. Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because

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  16. When Zn piece is kept in CuSO4 solution, copper gets precipitated beca...

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  17. For I2 + 2e to 2I^(-) , standard reduction potential = + 0.54 volt. Fo...

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  18. Beryllium is placed above magnesium in the Il group. When beryllium du...

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  19. E^(@) for Fe^(2+) + 2e to Fe is -0.44 V , E^(@) for Zn^(2+) + 2e to ...

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  20. Based on the data given below , the correct order of reducing power i...

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