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Electrochemistry - Set 1

Home
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NUST Entrance Test
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Chemistry
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Electrochemistry

Set 1

MM

Mashaal Masha

Oct 19, 2022

On this page

$Electrochemistry is concerned with the conversion of electrical energy into chemical energy in:$
$The conversion of chemical energy into electrical energy requires:$
$Most metals are conductors of electricity because of the:$
$Metallic conduction is also called as:$
$Electrolytes in the form of solution or in the fused state have the ability to conduct:$
$Ionization is the process in which ionic compounds when fused or dissolved in water split up into charged particles called:$
$Electrolysis is used for:$
$In an electrolytic cell, the electrons flow from:$
$When aqueous NaCl is electrolyzed, which of the following ions get discharged at anode:$
$In electrolytic cells, the chemical changes may be:$

Choose the correct options for the following questions.

Electrochemistry is concerned with the conversion of electrical energy into chemical energy in:

Difficulty: Easy

A:

Galvanic cell

B:

Electrolytic cell

C:

Voltaic cell

D:

Both (a) and (c)

The conversion of chemical energy into electrical energy requires:

Difficulty: Easy

A:

Electrolytic cell

B:

Galvanic cell

C:

Electrolytes in the form of solution or in the fused state have the ability to conduct:

D:

Both (b) and (c)

Most metals are conductors of electricity because of the:

Difficulty: Easy

A:

Light weight

B:

Immobility of the electrons

C:

Lustrous surface

D:

Relatively free movement of their electrons

Metallic conduction is also called as:

Difficulty: Easy

A:

Ionic conduction

B:

Protonic conduction

C:

Electronic conduction

D:

Super conduction

Electrolytes in the form of solution or in the fused state have the ability to conduct:

Difficulty: Easy

A:

Light

B:

Electricity

C:

Ions

D:

Electrons

Ionization is the process in which ionic compounds when fused or dissolved in water split up into charged particles called:

Difficulty: Easy

A:

Atoms

B:

Electrons

C:

Protons

D:

Ions

Electrolysis is used for:

Difficulty: Easy

A:

Manufacture of caustic soda

B:

Refining of copper

C:

Electroplanting

D:

All of above

In an electrolytic cell, the electrons flow from:

Difficulty: Easy

A:

Cathode to anode or opposite

B:

Cathode to anode

C:

Anode to cathode

D:

Random flow

When aqueous NaCl is electrolyzed, which of the following ions get discharged at anode:

Difficulty: Easy

A:

H^{+}

B:

Na^{+}

C:

OH^{-}

D:

Cl^{-}

In electrolytic cells, the chemical changes may be:

Difficulty: Easy

A:

Either spontaneous or non-spontaneous

B:

Always spontaneous

C:

Always non-spontaneous

D:

More spontaneous and less non-spontaneous