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Which of the following statements is cor...

Which of the following statements is correct w.r.t. both electrolytic cell and Galvanic cell

A

in both cells, anode is shown by +ve sign

B

in both cells, cathode is shown by -ve sign

C

in both cells, reduction reaction takes place at the cathode

D

in both cells, oxidation reaction takes place at the cathode

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The correct Answer is:
C
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
  1. In a Galvanic cell, the electrons flow from

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  2. Which of the following statements is wrong about galvanic cells

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  3. Which of the following statements is correct w.r.t. both electrolytic ...

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  4. Saturated solution of KNO3 is used to inake salt bridge because

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  5. (A): A salt bridge allows the flow of current by completing the electr...

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  6. The function of a salt bridge is

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  7. Which of the following is correct?

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  8. Which of the following statements is true for the electrochemical Dani...

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  9. The cell reaction of the galvanic cell, Cu(s) // Cu^(2+)(aq) // Hg^(2+...

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  10. (A) : The Daniel cell becomes dead after some time (R) : Oxidation...

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  11. The cell for which the cell reaction is H2 + Cu^(2+) to 2H^(+) + Cu is...

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  12. Which metal will dissolve if the cell works Cu|Cu^(2+)||Ag^(+)|Ag

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  13. The chemical reaction 2AgCl((s)) + H(2(g)) to 2HCl((aq)) + 2Ag((s)) t...

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  14. Which is a correct cell reaction ?

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  15. Stronger the oxidising agent greater is the

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  16. The reaction , 1//2H(2(g)) + AgCl((s)) to H((aq))^(+) + Cl((aq))^(-) ...

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  17. For spontanity of a cell, which is correct ?

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  18. If the cell reaction is spontaneous

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

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

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