Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 21

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In the electrolysis of ${CuCl}_{2}$ solution, the mass of the cathode increased by $3.2 g .$ What happened at the copper anode?

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Important Questions on Electrochemistry

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 22

If a salt bridge is removed between the two half cells, the voltage

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 23

An electrolytic cell contains a solution of

{Ag}_{2} {SO}_{4}

and has platinum electrodes. A current is passed until

1.6 gm

of

O_{2}

has been liberated at anode. The amount of silver deposited at cathode would be

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 24

How many grams of copper are liberated by passing

96500 C

of electricity through

{CuSO}_{4}

solution?

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 25

In a solution of

{CuSO}_{4}

, how much time is needed to precipitate

2 g

of copper by

0.5

amperes of current?

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 26

When a lead storage battery is discharged:

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 27

The values of the limiting molar conductivity

(Λ °)

for

NaCl, HCl

and

NaOAc

are

126.4, 425.9

and

91.0 S {cm}^{2} {mol}^{- 1}

, respectively. For

HOAc .

Λ °

in

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

is

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 28

Among the following metals, the strongest reducing agent is:

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Chemistry Crash Course NEET>Chapter 9 - Electrochemistry>Level 1>Q 29

Which metal shows the fastest corrosion in moist air?