Question # 1

The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as.

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Voltaic cell

Denial cell

dry Cell

Electrolytic cell

According to classical concept, oxidation involves

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Addition of oxygen

Addition of electron

Removal of hydrogen

All are correct

Electrochemical series is the arrangement of the electrodes in

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Increasing order of reduction potentials

Decreasing order of reduction potentials

Increasing order of oxidation reduction potential

There is no fixed arrangement

What is oxidation state of chlorine in Ca(ClO3)2

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+1

+3

+5

+7

When a non-spontaneous redox reaction is carried out by using the electrical current, then the process is called

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Decomposition of the substances

Cracking

Hydrolysis

Electroiysis

A single lead cell provides volts

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2

4

6

8

In H2SO4the oxidation number of 'S' is

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+2

+6

+8

+4

Stronger the oxidizing agent, greater is the

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oxidation potential

Reduction potential

Redox potential

E.M.F of cell

Oxidation number of Cr in a C₂CrO₄ is

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+2

+4

+6

+8

When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode.

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Cl-

OH-

Na+

H+

The cathodic reaction in the electrolysis of dill. H₂SO₄with Pt electrodes is

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Reduction

Oxidation

Both oxidation and reduction

Neither oxidation nor reduction

Electromotive force of the cell is the

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Difference of two electrode potentials

May be sum or the difference of two electrode potentials

Sum of two electrode potential

Depends upon the nature of the cell

During the electrolysis of molten NaCI, the ion which is reduce is

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Oxidation number of carbon in NaHCO₃

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+4

-6

+6

+2

The oxidation of O -atom in OF3 is.

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-2

+2

-1

+1

The gain of electron is known as.

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Oxidation

Reduction

Dehydration

Dehydrogenation

In which of the following changes, nitrogen in reduced.

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NH3 to NO

NH3 to NO3

N2 to NH3

N-3 to N2

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Chemistry Fsc Part 1 Chapter 10 Online Test MCQs With Answers

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