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True or false: In an electrolytic cell r...

True or false:
In an electrolytic cell reduction occurs at cathode.

A

`O_2(g)+2H_2O(l)+4barerarr4OH^(-)`

B

`H^+(aq)+O_2(g)rarr2H_2O(l)`

C

`H^++barerarr1/2H_2`

D

`H^+(aq)+OH^-(aq)rarrH_2O(l)`

Text Solution

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MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. The ratio of specific charge of a proton and an alpha-particle is :

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  2. How many coulombs of electricity are required for the oxidation of one...

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  3. True or false: In an electrolytic cell reduction occurs at cathode.

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  4. In the lead acid battery during charging the cathode reaction is

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  5. What pressure of H2 would be required to make the e.m.f of hydrogen el...

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  6. The e.m.f of the cell: Cu(s)|Cu^(2+)(1M)||Ag^(+)(1M)|Ag is 0.46V. The ...

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  7. How many Faradays of electricity are required to deposit 10 g of calci...

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  8. In a dry cell, what acts as negative electrode?

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  9. Which of the following is incorrect in a galvanic cell?

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  10. A secondary cell is one which

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  11. The amount of current in Faraday solution required for the reduction o...

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  12. Define the following term with an example- Carnivorous plants.

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  13. The rusting of iron takes places as follows: 2H^++2bare+1/2O3rarrH2(l)...

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  14. Electrolysis of dilute aqueous NaCl solution was carried out by passin...

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  15. Consider the following cell reaction: 2Fe(s)+O2(g)+4H^+(aq)rarr2Fe^(2+...

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  16. AgNO3 was added to an aqueous KCl solution gradually and the conductiv...

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  17. For the following electrochemical cell at 298K, Pt(s)|H2(g)(1bar)||H(a...

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  18. Which of the following relations are not correct?

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  19. Which of the following statements are not true?

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  20. Fill in the blanks- give mainly energy to our body.

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