CBSE Class 11 Chemistry Chapter 8 Redox Reactions Multiple Choice Questions with Answers. MCQ Questions Class 11 Chemistry Redox Reactions with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Chemistry Redox Reactions MCQs with Answers to know their preparation level.
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MCQ Questions Class 11 Chemistry Redox Reactions with Answers - Set - 3
Question 1:
Which is the best description of the behaviour of bromine in the reaction given below? H2O + Br2 → HOBr + HBr
(a) Proton acceptor only
(b) Both oxidised and reduced
(c) Oxidised only
(d) Reduced only
Correct Answer – (B)
Question 2 :
Oxidation numbers of P in PO4 3–, of S in SO4 2– and that of Cr in Cr2O7 2– are respectively
(a) +3, +6 and +5
(b) +5, +3 and +6
(c) –3, +6 and +6
(d) +5, +6 and +6
Correct Answer – (D)
Question 3 :
The pair of compounds that can exist together is
(a) FeCl3, SnCl2
(b) HgCl2, SnCl2
(c) FeCl2, SnCl2
(d) FeCl3, KI
Correct Answer – (C)
Question 4 :
Which of the following is redox reaction?
(a) Evaporation of H2O
(b) Both oxidation and reduction
(c) H2SO4 with NaOH
(d) In atmosphere O3 from O2 by lightning
Correct Answer – (B)
Question 5 :
The oxidation state of Cr in CrO5 is
(a) –6
(b) +12
(c) +6
(d) +4
Correct Answer – (C)
MCQ Questions Class 11 Chemistry Redox Reactions with Answers
Question 6 :
Number of moles of MnO4 – required to oxidize one mole of ferrous oxalate completely in acidic medium will be
(a) 7.5 moles
(b) 0.2 moles
(c) 0.6 moles
(d) 0.4 moles.
Correct Answer – (D)
Question 7 :
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?
(a) S
(b) H
(c) Cl
(d) C
Correct Answer – (C)
Question 8 :
Without losing its concentration, ZnCl2 solution cannot be kept in contact with
(a) Pb
(b) Al
(c) Au
(d) Ag
Correct Answer – (B)
Question 9 :
The correct order of N-compounds in its decreasing order of oxidation states is
(a) HNO3, NO, N2, NH4Cl
(b) HNO3, NO, NH4Cl, N2
(c) HNO3, NH4Cl, NO, N2
(d) NH4Cl, N2, NO, HNO3
Correct Answer – (A)
Question 10 :
What is the change in oxidation number of carbon in the following reaction? CH4(g) + 4Cl2(g) → CCl4(l) + 4HCl(g)
(a) + 4 to + 4
(b) 0 to + 4
(c) – 4 to + 4
(d) 0 to – 4
Correct Answer – (C)
- NCERT Solutions Class 11 Chemistry Chapter 1 : Some Basic Concepts of Chemistry
- NCERT Solutions Class 11 Chemistry Chapter 2 : Structure Of The Atom
- NCERT Solutions Class 11 Chemistry Chapter 3 : Classification of Elements and Periodicity in Properties
- NCERT Solutions Class 11 Chemistry Chapter 4 : Chemical Bonding and Molecular Structure
- NCERT Solutions Class 11 Chemistry Chapter 5 : States of Matter
- NCERT Solutions Class 11 Chemistry Chapter 6 : Thermodynamics
- NCERT Solutions Class 11 Chemistry Chapter 7 : Equilibrium
- NCERT Solutions Class 11 Chemistry Chapter 8 : Redox Reactions
- NCERT Solutions Class 11 Chemistry Chapter 9 : Hydrogen
- NCERT Solutions Class 11 Chemistry Chapter 10 : The s-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 11 : The p-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 12 : Organic Chemistry: Some Basic Principles and Techniques
- NCERT Solutions Class 11 Chemistry Chapter 13 : Hydrocarbons
- NCERT Solutions Class 11 Chemistry Chapter 14 : Environmental Chemistry
