Redox Reactions MCQ Questions for Class 11 Chemistry Chapter 8 with Answers

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MCQ Questions for Class 11 Chemistry with Answers


Q1. The colourless solution of silver nitrate slowly turns blue on adding copper chips to it because of

(A) Dissolution of Copper
(B) Oxidation of Ag+ → Ag
(C) Reduction of Cu²+ ions
(D) Oxidation of Cu atoms.

(D) Oxidation of Cu atoms.


Q2. Which of the following processes does not involve either oxidation or reduction?

(A) Formation of slaked lime from quick lime
(B) Heating Mercuric Oxide
(C) Formation of Manganese Chloride from Manganese oxide
(D) Formation of Zinc from Zinc blende

(A) Formation of slaked lime from quick lime


Q3. The oxidation state of I in IPO4 is

(A) +1
(B) +3
(C) +5
(D) +7

(B) +3


Q4. The oxidation state of chromium in
[Cr (P Ph3) (CO)]3 is

(A) + 3
(B) +8
(C) Zero
(D) +5

(C) Zero


Q5. In oxygen difluoride, the oxidation number of oxygen is

(A) + 2
(B) – 2
(C) – 1
(D) +1, – 2

(A) + 2


Q6. The tendency of an electrode to lose electrons is known as

(A) Electrode Potential
(B) Reduction Potential
(C) Oxidation Potential
(D) E.M.F.

(C) Oxidation Potential


Q7. Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?

(A) Copper
(B) Magnesium
(C) Iron
(D) Silver

(B) Magnesium


Q8. The loss of electron is termed as

(A) oxidation
(B) reduction
(C) combustion
(D) neutralization

(A) oxidation


Q9. Burning of lime to give calcium oxide and carbon dioxide is

(A) An Oxidation Process
(B) A Reduction Process
(C) Disproportionation
(D) Decomposition.

(D) Decomposition.


Q10. The oxidation number of Xe in BaXeO6 is

(A) 8
(B) 6
(C) 4
(D) 10

(D) 10


Q11. The oxide, which cannot act as a reducing agent, is

(A) CO2
(B) NO2
(C) SO2
(D) ClO2

(A) CO2


Q12. Oxidation state of osmium (Os) in OsO4 is

(A) +7
(B) + 6
(C) +4
(D) + 8

(D) + 8


Q13. The oxidation process involves

(A) Increase in oxidation number
(B) Decrease in oxidation number
(C) No change in oxidation number
(D) none of the above

(A) Increase in oxidation number


Q14. Which of the following processes does not involve either oxidation or reduction?

(A) Formation of slaked lime from quick lime
(B) Heating Mercuric Oxide
(C) Formation of Manganese Chloride from Manganese oxide
(D) Formation of Zinc from Zinc blende

(A) Formation of slaked lime from quick lime


Q15. The ionic mobility of alkali metal ions in aqueous solution is maximum for

(A) Li+
(B) Na+
(C) K+
(D) Rb+

(D) Rb+


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MCQ Questions for Class 11 Chemistry Chapter wise with Answers


Lesson 1. Some Basic Concepts of Chemistry Class 11 MCQ Questions
Lesson 2. Structure of Atom Class 11 MCQ Questions
Lesson 3. Classification of Elements and Periodicity in Properties Class 11 MCQ Questions
Lesson 4. Chemical Bonding and Molecular Structure Class 11 MCQ Questions
Lesson 5. States of Matter Class 11 MCQ Questions
Lesson 6. Thermodynamics Class 11 MCQ Questions
Lesson 7. Equilibrium Class 11 MCQ Questions
Lesson 8. Redox Reactions Class 11 MCQ Questions
Lesson 9. Hydrogen Class 11 MCQ Questions
Lesson 10. The s-Block Elements Class 11 MCQ Questions
Lesson 11. The p-Block Elements Class 11 MCQ Questions
Lesson 12. Organic Chemistry: Some Basic Principles and Techniques Class 11 MCQ Questions
Lesson 13. Hydrocarbons Class 11 MCQ Questions
Lesson 14. Environmental Chemistry Class 11 MCQ Questions

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