Electrode potential

Electrode potential

University - Professional Development

16 Qs

quiz-placeholder

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Electrode potential

Electrode potential

Assessment

Quiz

Chemistry

University - Professional Development

Medium

Created by

PRATAP KUMAR

Used 1+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electrochemical cell in which fuel gives up electrons at one electrode and oxygen gain electrons at another electrode is known as

Fuel cell

Electrolytic cell

Oxygen cell

Electrode cell

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During electrolysis, the mass of a substance produced is proportional to

time of constant current only

strength of current only

Voltage provided

time of constant current and strength of current

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When equilibrium is reached inside the two half-cells of the electrochemical cells, what is the net voltage across the electrodes?

<1

>1

=0

Not defined

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When no current is drawn through an electrochemical cell, the sum of the electrode potentials of the two electrodes is called cell emf.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When no current is drawn through an electrochemical cell, the sum of the electrode potentials of the two electrodes is called cell emf.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?

The jelly acts as an electrolyte

It helps the electrolytes to mix with the contents of the half cells

It helps maintain the electrical polarity between the two half-cell solutions

It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a not a secondary cell?

Nickel-cadmium cell

Lead storage cell

Mercury cell

Leclanche cell

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