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Redox Reactions & Electrochemistry Test Online MCQs

Test Name Redox Reactions & Electrochemistry MCQs Test
Subject Chemistry
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Redox Reactions & Electrochemistry MCQs Test is available Online for the preparation of Entrance test, Engineering test, Medical and chemistry subject test. Redox Reactions & Electrochemistry MCQs Test is also provided to check your worth in chemistry subject and to improve your knowledge as well. Get all the Redox Reactions & Electrochemistry MCQs Test Online below.

Redox Reactions & Electrochemistry Test Online MCQs

Chemistry

1. In the following chemical reaction: Ag₂O + H₂O+ 2e⁻ 2Ag + 2OH⁻

 

Question 1 of 15

2. Through a solution of CuSO₄ a current of 3 amperes was passed for 2 hours. At cathode 3 g of Cu²⁺ions were discharged. The current efficiency is [At. Wt. of Cu = 63.5]

 

Question 2 of 15

3. Which shows electrical conductance?

 

Question 3 of 15

4. The emf of Daniell cell at 298 K is E₁’ Zn|ZnSO₄(0.01 M)||CuSO₄(1.0 M)| Cu When the concentration of ZnSO₄ is 1.0 M and that of CuSO₄ is 0.01 M, the emf changed to E₂ What is the relation between E₁ and E₂?

 

Question 4 of 15

5. Time required to deposit one millimole of aluminium metal by the passage of 9.65 amperes through aqueous solution of aluminium ion is:

 

Question 5 of 15

6. Which of the following reactions is used to make a fuel cell?

 

Question 6 of 15

7. Which of the following statements is true for the electrochemical Daniel cell?

 

Question 7 of 15

8. Of the following which change will shift the reaction towards the product? I₂(g) 21(g), ∆H⁰r (298 K) = + 150 kJ

 

Question 8 of 15

9. Equivalent conductance of an electrolyte containing NaF at infinite dilution is 90.1 Ohm⁻¹ cm². If NaF is replaced by KF what is the value of equivalent conductance? 

 

Question 9 of 15

10. Effect of dilution on conductivity of solution:

 

Question 10 of 15

11. Both oxidation and reduction takes place in:

 

Question 11 of 15

12. What is the pH of 0.01 m glycine solution? For glycine, Ka₁ = 4.5 x 10⁻³ and Ka₂ = 1.7 x 10⁻¹⁰ at 298 K?

 

Question 12 of 15

13. The oxidation states of iodine in HIO₄, H₃IO₅ and H₅IO₆ are respectively

 

Question 13 of 15

14. The oxidation number of sulphur in H₂S₂O₇ is:

 

Question 14 of 15

15. Ostwald’s dilution law is applicable on:

 

Question 15 of 15


 

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