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Out of Cu, Ag, Fe and Zn, the metal whic...

Out of Cu, Ag, Fe and Zn, the metal which can displace all others from their salt solutions is :

A

Ag

B

Cu

C

Fe

D

Zn

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
  1. H^(+) ions are reduced at platinum electrode prior to :

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  2. Which of the following statements is wrong ?

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  3. Out of Cu, Ag, Fe and Zn, the metal which can displace all others fro...

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  4. When the electric current is passed through a cell having an electroly...

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  5. The oxidation potentials of Zn, Cu, Ag, H(2) and Ni are 0.76, -0.34, 0...

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  6. Which one of the following will increase the voltage of the cell ? (T...

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  7. A chemist wants to produce CI(2)(g) from molten NaCI. How many grams c...

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  8. In the electrolysis of CuCl(2) solution, the mass of cathode increased...

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  9. Cosoder the reactopm: (T = 298 K) Cl2 (g) + 2 BR^(-) (aq) rarr 2 Cl^...

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  10. How much silver will be obtained by that quantity of current which dis...

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  11. The specific conductance of a salt of 0.01 M concentration is 1.061 xx...

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  12. What is the number of coulombs required for the conversion of one mol...

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  13. Which of the following solutions of NaCl will have the highest specifi...

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  14. The equivalent conductance of a 1 N solution of an electrolyte is near...

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  15. Zinc is coated over ion iron to prevent rusting of iron because :

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  16. The standard reduction potentials at 25^(@)C of Li^(+)//Li, Ba^(2+)//...

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  17. Three faradays of electricity was passed through an aqueous solution o...

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  18. The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and...

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  19. The standard emf for the cell cell reaction Zn + Cu^(2+) rarr Zn^(2+)...

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  20. Three mole of electrons are passed through three solutions in successi...

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