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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


1. Oxidation number of Os in OsO₄:


Question 1 of 15

2. Which of the following molecules can act as an oxidizing as well as a reducing agent?


Question 2 of 15

3. Ostwald’s dilution law is applicable on:


Question 3 of 15

4. In the reaction I₂ + I⁻ I₃⁻, the Lewis base is:


Question 4 of 15

5. Oxidation state of Fe in Fe₃O₄ is


Question 5 of 15

6. Oxidation is:


Question 6 of 15

7. For a cell reaction involving two electron change, the standard EMF of the cell is 0.295 V at 2°C. The equilibrium constant of the reaction at 25°C will be


Question 7 of 15

8. In the balanced chemical reaction, IO⁻₃ + aI⁻+ bH⁺ cH₂O + dI₂

a ,b ,c and d respectively corresponds to:


Question 8 of 15

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


Question 9 of 15

10. For reducing one mole of Cr₂O²⁻₇ to Cr³⁺ the charge required is:


Question 10 of 15

11. The oxidation number of Cr in K₂ Cr₂ O₇ is:


Question 11 of 15

12. Both oxidation and reduction takes place in:


Question 12 of 15

13. 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 13 of 15

14. The oxidation number of sulphur in H₂S₂O₇ is:


Question 14 of 15

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


Question 15 of 15


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