Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 22

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The number of Faradays required to deposit $1 g$ equivalent of aluminium (At.wt. $27$ ) from a solution of ${AlCl}_{3}$

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Important Questions on Electrochemistry

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 23

Electrochemical equivalent of

Cu

in the reaction

{Cu}^{+ 2} + 2 e^{-} ⟶ Cu

is

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 24

Three faraday of electricity is passed through three electrolytic cells connected in series containing

{Ag}^{+}, {Ca}^{2 +}

and

{Al}^{+ 3}

ions respectively. The molar ratio in which the three metal ions are liberated at the electrodes is

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 25

The mass of

{Cl}_{2}

produced when

1 A

current is passed through

NaCl

solution for

30

minute is

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 26

A current of

9.65

A flowing for

10

minutes, deposits

3.0 g

of a metal. The equivalent weight of the metal is

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 27

If

9 g

of

H_{2} O

is electrolysed completely with

50 %

current efficiency

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 28

If the density of copper is

8.94 g / {cm}^{3}

, the number of Faradays required to plate an area

(10 cm \times 10 cm)

of thickness of

10^{- 2} cm

using

{CuSO}_{4}

solution as electrolyte is

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 29

An electrolytic cell is composed of

Cu

and

Zn

. A current of

9.65 A

is drawn from a cell for

1

hour. Then the loss in mass at anode and gain in mass at cathode. respectively could be

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Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 30

Volume of gases evolved when dil.

H_{2} {SO}_{4}

is electrolysed using

2 F

at STP