Punjab 11th Class Chemistry Chapter 10 Electrochemistry Mcqs Test Online
Questions 12
Total Marks 24
Time 12 Mins
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Punjab 11th Class Chemistry Chapter 10 Electrochemistry Mcqs Test Online

Chemistry Chapter 10 Electrochemistry Mcqs Test Online Punjab Class 11th

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Question 1 of 12

Chemistry

1. Oxidation number of an element in Free state is

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Question 2 of 12

2. The oxidation number of Cl in HCIO₂ is

Question 2 of 12

Question 3 of 12

3. 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

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Question 4 of 12

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

Question 4 of 12

Question 5 of 12

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

Question 5 of 12

Question 6 of 12

6. Oxidation number of S in Na₂S₂O₃ is

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Question 7 of 12

7. A fuel call operates at ________ temperature

Question 7 of 12

Question 8 of 12

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

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Question 9 of 12

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

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Question 10 of 12

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

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Question 11 of 12

11. E⁰sn = -0.14V, E⁰pb = -013V

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Question 12 of 12

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

Question 12 of 12


 

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