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During the electrolysis of cryolite, alu...

During the electrolysis of cryolite, aluminium and fluorine are formed in .... molar ratio

A

`1:2`

B

`2:3`

C

`1:1`

D

`1:3`

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The correct Answer is:
B
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-II)
  1. During the electrolysis of cryolite, aluminium and fluorine are formed...

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  2. Weight of copper (atomic mass 63.5) deposited when 2 Faradays of elect...

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  3. By passing 0.1 Faraday of electricity through fused sodium chloride, t...

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  4. The number of coulombs required to deposit 5.4 g. of Aluminium when th...

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  5. The number of electrons involved in the electro deposition of 63.5 g. ...

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  6. The electrochemical equivalent of a metal is "y"g. "coulomb"^(-1). The...

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  7. The electro chemical equivalent of an element is 0.0006735 g/C. Its eq...

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  8. The current strength required to displace 0.1 g. of H2 in 10 sec is

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  9. On electrolysing a sample of acidified water, 22.4 ml of hydrogen was ...

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  10. An electrolytic cell is constructed for preparing hydrogen. For the av...

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  11. One coulomb of charge passes through solutions of AgNO3 and CuSO4. The...

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  12. When electricity is passed through molten AlCl3, 13.5 g. of Al is depo...

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  13. One Faraday charge was passed through the electrolytic cell placed in ...

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  14. The weight in grams of O2 formed at Pt anode during the electrolys of ...

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  15. When one ampere current is passed through a Cu wire for 10 sec., the n...

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  16. How many coulombs of electricity are required for the reduction of 1 m...

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  17. Electric charge on 1gm ion of N^(3-) is

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  18. The charge required for the oxidation of one mole of Mn3O4 " to " MnO...

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  19. Time required to deposit one millimole of aluminium metal by the passa...

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  20. Two electrolytic cells, one containing acidified ferrous sulphate and ...

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