Chemistry Chapter 10 Electrochemistry Mcqs Test Online Punjab Class 11th

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• >>

 0%

Question 1 of 12

Chemistry

1. Which of these is not true of an electrolyte.

It can conduct electricity in the solid form

It can conduct electricity in the form of aqueous solution

It can conduct electricity in molten state

It can be an acid, a base or a salt

Question 1 of 12

Question 2 of 12

2. The oxidation number of Cl in HCIO₂ is

+5

+1

+7

-1

Question 2 of 12

Question 3 of 12

3. In which of the following compounds oxidation number of N is +5

N₂O₄

N₂O₅

NO₂

N₂O₃

Question 3 of 12

Question 4 of 12

4. Oxidation number of S in Na₂S₂O₃ is

+1

+4

+3

+2

Question 4 of 12

Question 5 of 12

5. The electrode through which the electron enter the electrolytic solution is

Salt bridge

Cathode

Anode

Electrolyte

Question 5 of 12

Question 6 of 12

6. How many moles of Cr will be produced by 1.5 Faradays of electricity by the following reaction Cr⁺³ + 3e⁻ → Cr

0. 5

0. 1

0. 2

0. 03

Question 6 of 12

Question 7 of 12

7. The passage of current through an electrolyte is due to the movement of

Ions

Electrons

Anions

Cations

Question 7 of 12

Question 8 of 12

8. In the electrolysis of molten ZnCl₂, the cathode reaction is Zn⁺² + 2e⁻ → Zn what quantity of electricity is used up for the production of half mole of Zn

2 Coulombs

2 ampere

1F

2F

Question 8 of 12

Question 9 of 12

9. Oxidation number of an element in Free state is

± 1

Zero

Negative

Positive

Question 9 of 12

Question 10 of 12

10. E⁰_sn = -0.14V, E⁰_pb = -013V

Both can oxidize each other

Sn⁺² can oxidize Pb

Pb⁺² can oxidize Sn

Both can reduce each other

Question 10 of 12

Question 11 of 12

11. A fuel call operates at ________ temperature

High

Low

Room

Medium

Question 11 of 12

Question 12 of 12

12. In an electrolytic cell, the name of electrode which has more negative potential begins with the letter

C to D

K to O

U to Z

A to B

Question 12 of 12

 Loading...

 

Other Related test

• Punjab 9th Class Chemistry Model Paper 3 Mcqs Test Online
• Punjab 9th Class English Chapter 6 The Quaid’s Vision and Pakistan Mcqs Test Online
• Punjab 10th Class Chemistry Chapter 5 Biochemistry Mcqs Test Online
• Punjab 12th Class Chemistry Biochemistry Mcqs Test Online
• Punjab 10th Class Physics Chapter 9 Atomic and Nuclear Physics Mcqs Test Online
• Punjab 10th Class English Chapter 11 Great Expectations Mcqs Test Online
• Punjab 9th Class Physics Chapter 9 Transfer of Heat Mcqs Test Online
• Punjab 10th Class Computer Science Chapter 4 Conditional Control Structure Mcqs Test Online
• Punjab 12th Class Computer Chapter 3 Loops Mcqs Test Online
• Punjab 10th Class Islamic Studies Chapter 2 Sabr o Shukar aur Hamari Infiradi o Ijtimai Zindagi Mcqs Test Online