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A smuggler could not carry gold by depos...

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

A

Gold is denser

B

Iron rusts

C

Gold has higher reduction potential than iron

D

Gold has lower reduction potential than iron

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AAKASH SERIES-ELECTROCHEMISTRY -OBJECTIVE EXERCISE - 1 ( Electrode potentials and EMF)
  1. The reference electrode is made by using

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  2. The more electro positive element has

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

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  4. {:(" LIST - 1 ", " LIST - 2 "),( "A) Very dilute " H(2)...

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

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

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

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

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  9. The standard reduction potentials at 298 K for the following half cell...

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

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

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

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  13. Which of the following reactions are not feasible?

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

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

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  16. The S.R.Ps of Cu^(2+) // Cu , Hg^(2+)//Hg and Zn^(2+)//Zn are respecti...

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  17. For the cell prepared from electrod A , Cr2O7^(2-) |Cr^(3+) , E("red"...

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  18. Standared electrode potential of two half-reactions are given below : ...

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  19. The E(M^(3+)|M^(2+))^(0) values for Cr, Mn, Fe and Co are -0.41, +1.57...

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  20. The standard reduction potentials of Zn and Ag in water at 298 K are,...

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