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Class 11th Chemistry || Menu
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Balancing Redox Reactions, Class 11 Chemistry NCERT Solutions

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. To balance the oxygen atom in the given reaction in acidic medium
Cr2O72- (aq) → Cr3+(aq)  we
 
 
 
 

Question 1 of 10

2. The oxidation half reaction for following reaction is
Fe2+(aq) + Cr2O72-(aq) → Fe3+ (aq) + Cr3+(aq)
 
 
 
 

Question 2 of 10

3. In this method, the two half equations are balanced separately and then added together to give balanced equation
 
 
 
 

Question 3 of 10

4. The process in which the strength of an unknown solution is calculated using a known standard solution.
 
 
 
 

Question 4 of 10

5. For the redox reaction

MnO4– + C2O42- + H+ → Mn2+ + CO2 + H2O
The correct coefficients of the reactants for the balanced reaction are:
 
 
 
 

Question 5 of 10

6. To balance the charge in the oxidation on half reaction Fe2+ (aq) →  Fe3+ (aq)
 
 
 
 

Question 6 of 10

7. Balanced ionic equation for the reaction of Potassium Dichromate (VI) K2Cr2O7 with Sodium Sulphite Na2SO3 in acid solution to give Chromium (III) ion and sulphate ion is

download (1)
 
 
 
 

Question 7 of 10

8. To balance H in Cr2O72- (aq) → Cr3+(aq) + 7H2O (in acidic medium) , we
 
 
 
 

Question 8 of 10

9. How many electrons are transferred during following change:
2I–(aq) → I2 (s)
 
 
 
 

Question 9 of 10

10. In the following reaction

3Br2 + 6CO32- + 3H2O 5Br – + BrO3– + 6HCO3–
 
 
 
 

Question 10 of 10

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