Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 34

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IMPORTANT

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The unit of molar conductivity is______.

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Important Questions on Electrochemistry

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 35

The resistance of a

0.1 M

solution of acetic acid is

250 ohm

, when measured in a cell of cell constant

1.15 {cm}^{-1}

. The molar conductance (in

{ohm}^{-1} {cm}^{2} {mol}^{-1}

) of

0.1 M

acetic acid is _____.

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 36

The number of coulombs required to liberate

{0.224 dm}^{3}

of chlorine at

0 ° C

and

1 atm

pressure is______.

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 37

ln the electrolysis of water, one Faraday of the electrical energy would evolve_____.

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 38

If the atomic mass of

M

is

x

, the electrochemical equivalent of

M

in the solution of

M_{2} {(SO}_{4})_{3}

will be ______.

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 39

The mass of copper deposited by the passage of

2 A

of current for

965 s

, through a

2 M

solution of

{CuSO}_{4}

(Atomic mass of

Cu=63.5

) is

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 40

When a current of

3 A

is passed through an aqueous solution of a palladium salt, the mass of the

Pd

metal deposited in

1

hour is

2.98 g

. If the metal’s atomic mass is

106.4

, the valency of palladium is______.

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 41

What will be the current required to deposit on the cathode

39.4 g gold / hour

from a solution containing a salt of gold

(III) ?

(At. mass of gold =197 g {mol}^{-1})

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Chemistry Crash Course JEE Main>Chapter 10 - Electrochemistry>Level 1>Q 42

How many hours are required for a current of

3 A

to decompose electrically, one mole of water?