Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 86

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Which one is the correct equation that represents the first law of electrolysis? $(w \to mass, i \to current, t \to time)$

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Important Questions on Electrochemistry

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 87

When the same electric current is passed through the solution of different electrolytes in series the amounts of elements deposited on the electrodes are in the ratio of their:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 88

Faraday's law of electrolysis fails when:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 89

Electrochemical equivalent of a substance is

0.0006735;

its equivalent weight is:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 90

How many faradays are required to reduce one mole of

{MnO}_{4}^{-}

to

{Mn}^{2 +}

:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 91

The amount of electricity that can deposit

108 g

of silver from silver nitrate solution is:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 92

The moles of electrons required to deposit

1 gm

equivalent aluminium (atomic weight

= 27

) from a solution of aluminium chloride will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 93

A current of

9.65 amp

. flowing for

10

minutes deposits

3.0 g

of a metal. The equivalent weight of the metal is:

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Alpha Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>Exercise 1>Q 94

Wg

of copper deposited in a copper voltameter when an electric current of

2

ampere is passed for

2

hours. If one ampere of electric current is passed for

4

hours in the same voltameter, copper doposited will be: