Electrolysis Test

Result

Electrolysis Test - 1

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

Which of the following properties is not shown by phosphate ions?

A
These are negativity charged ions.

B
These migrate to anode during electrolysis.`

C
These gain electrons to the anode.

D
These get oxidized to become a neutral atom.
Question 2
1 / -0

Which of the following metals is extracted by thermal decomposition?

A
Iron

B
Copper

C
Gold

D
Silver
Question 3
1 / -0

Solution of which of the following substances contains only molecules of that substances and not ions?

A
Benzene

B
Sulphuric acid

C
Calcium hydroxide

D
Copper sulphate
Question 4
1 / -0

Which of the following substances will completely dissociate in fused or aqueous state?

A
H₂CO₃

B
H₃PO₄

C
Ca(OH)₂

D
H₂SO₄
Question 5
1 / -0

Which of the following ions migrate to the anode during electroplating with nickel?

A
Ni²⁺, H⁺

B
SO₄^2-, OH^-

C
Ni²⁺, OH^-

D
SO₄^2-, H⁺
Question 6
1 / -0

In which of the following states, will sodium chloride conduct electricity?

A
In solid and aqueous state

B
In aqueous and molten state

C
In molten state only`

D
In aqueous state only
Question 7
1 / -0

Consider the following reaction
Cl₂ + H₂S ––>S + 2 HCl
Which of the following substances is reduced in the above reaction?

A
Cl₂

B
H₂S

C
S

D
HCl
Question 8
1 / -0

Which of the following statements is not correct about electroplating an article with silver?

A
Na[Ag(CN)₂] or K[Ag(CN)₂] is used as electrolyte.

B
The block of pure silver is made anode.

C
Article to be electroplated is used as cathode.

D
Silver nitrate solution can be used directly instead of double cyanide of sodium and silver.
Question 9
1 / -0

Which of the following statements is not correct about electrolysis of aqueous copper sulphate using copper electrode?

A
Iron crucible or glass voltmeter is used as electrolyte cell.

B
Aqueous copper sulphate solution is used as electrolyte.

C
Electrodes made of carbon are used as cathode and anode.

D
Ordinary temperature is used in the process.
Question 10
1 / -0

Which of the following metals is extracted by electrolysis of its fused salt?

A
Platinum

B
Silver

C
Potassium

D
Lead
Question 11
1 / -0

Which of the following statements is not correct about electrolysis of acidified water using platinum electrodes?

A
Hoffman`s voltmeter is used as electrolyte cell.

B
Acidified water is used as electrolyte.

C
Platinum foils are used as electrodes.

D
A very high current is used in the process.
Question 12
1 / -0

Which of the following statements is not correct about the theory of electrolytic dissociation?

A
Cations and anions are formed as a result of dissociation of electrolyte in water.

B
All ions carry an electric charge and are responsible for the flow of current.

C
The conductivity of electrolyte is independent of the concentration of ions in the solution.

D
The degree of dissolution is the extent to which an electrolyte dissociates.
Question 13
1 / -0

Vessel made of which of the following substances can be used to store copper sulphate solution?

A
Ni

B
Sn

C
Pb

D
Pt
Question 14
1 / -0

Which of the following ions act as spectator ions during electrolysis of aqueous copper sulphate solution?

A
Cu²⁺, SO₄^2-

B
H⁺, OH^-, SO₄^2–

C
Cu²⁺, H⁺

D
H⁺, SO₄^2–
Question 15
1 / -0

Which of the following covalent compounds will not conduct electricity when dissolved in aqueous solution?

A
H₂O

B
NH₃

C
HCl

D
CO₂

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Electrolysis Test - 1

Result

Electrolysis Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

These are negativity charged ions.

These migrate to anode during electrolysis.`

These gain electrons to the anode.

These get oxidized to become a neutral atom.

Question 2

Iron

Copper

Gold

Silver

Question 3

Benzene

Sulphuric acid

Calcium hydroxide

Copper sulphate

Question 4

H2CO3

H3PO4

Ca(OH)2

H2SO4

Question 5

Ni2+, H+

SO42-, OH-

Ni2+, OH-

SO42-, H+

Question 6

In solid and aqueous state

In aqueous and molten state

In molten state only`

In aqueous state only

Question 7

Cl2

H2S

S

HCl

Question 8

Na[Ag(CN)2] or K[Ag(CN)2] is used as electrolyte.

The block of pure silver is made anode.

Article to be electroplated is used as cathode.

Silver nitrate solution can be used directly instead of double cyanide of sodium and silver.

Question 9

Iron crucible or glass voltmeter is used as electrolyte cell.

Aqueous copper sulphate solution is used as electrolyte.

Electrodes made of carbon are used as cathode and anode.

Ordinary temperature is used in the process.

Question 10

Platinum

Silver

Potassium

Lead

Question 11

Hoffman`s voltmeter is used as electrolyte cell.

Acidified water is used as electrolyte.

Platinum foils are used as electrodes.

A very high current is used in the process.

Question 12

Cations and anions are formed as a result of dissociation of electrolyte in water.

All ions carry an electric charge and are responsible for the flow of current.

The conductivity of electrolyte is independent of the concentration of ions in the solution.

The degree of dissolution is the extent to which an electrolyte dissociates.

Question 13

Ni

Sn

Pb

Pt

Question 14

Cu2+, SO42-

H+, OH-, SO42–

Cu2+, H+

H+, SO42–

Question 15

H2O

H₂CO₃

H₃PO₄

Ca(OH)₂

H₂SO₄

Ni²⁺, H⁺

SO₄^2-, OH^-

Ni²⁺, OH^-

SO₄^2-, H⁺

Cl₂

H₂S

Na[Ag(CN)₂] or K[Ag(CN)₂] is used as electrolyte.

Cu²⁺, SO₄^2-

H⁺, OH^-, SO₄^2–

Cu²⁺, H⁺

H⁺, SO₄^2–

H₂O

NH₃

CO₂