Redox Reactions & Electrochemistry Test Online MCQs With Answers
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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
Test Help For
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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. mark reviewFor reducing one mole of Cr₂O²⁻₇ to Cr³⁺ the charge required is:

 

Question 1 of 15

2. mark reviewIn the following chemical reaction: Ag₂O + H₂O+ 2e⁻ 2Ag + 2OH⁻

 

Question 2 of 15

3. mark reviewEffect of dilution on conductivity of solution:

 

Question 3 of 15

4. mark reviewThe charge required for the reduction of 1 mol of MnO⁻₄ to MnO₂ is:

 

Question 4 of 15

5. mark reviewOstwald’s dilution law is applicable on:

 

Question 5 of 15

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

 

Question 6 of 15

7. mark reviewWhich cannot displace hydrogen from its compound

 

Question 7 of 15

8. mark reviewOf 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. mark reviewThe oxidation states of iodine in HIO₄, H₃IO₅ and H₅IO₆ are respectively

 

Question 9 of 15

10. mark reviewThrough 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 10 of 15

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

 

Question 11 of 15

12. mark reviewBoth oxidation and reduction takes place in:

 

Question 12 of 15

13. mark reviewIn the reaction I₂ + I⁻ I₃⁻, the Lewis base is:

 

Question 13 of 15

14. mark reviewOxidation number of Os in OsO₄:

 

Question 14 of 15

15. mark reviewThe oxidation states of sulphur in S₈,S₂F₂, H₂s respectively, are

 

Question 15 of 15


 

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