Balancing of Redox Reactions NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Balancing of Redox Reactions MCQ Questions


1.
What is the coefficient of H₂O in the balanced redox reaction of H₂SO₄ with Zn?
A.
1
B.
2
C.
4
D.
3
😑 View Answer Rough Work Error
ANSWER :
B. 2
2.
In the redox reaction: MnO₄⁻ + C₂O₄²⁻ → Mn²⁺ + CO₂, what is the stoichiometric coefficient of CO₂?
A.
2
B.
4
C.
5
D.
10
😑 View Answer Rough Work Error
ANSWER :
D. 10
3.
What is the balanced number of electrons transferred in the reaction: Fe²⁺ → Fe³⁺?
A.
1
B.
2
C.
3
D.
0
😑 View Answer Rough Work Error
ANSWER :
A. 1
4.
In the reaction: H₂O₂ → O₂, what is the number of electrons lost by each molecule of H₂O₂?
A.
1
B.
2
C.
4
D.
0
😑 View Answer Rough Work Error
ANSWER :
B. 2
5.
Which of the following gets oxidized in the reaction: Cu + 2Ag⁺ → Cu²⁺ + 2Ag?
A.
Cu
B.
Ag⁺
C.
Cu²⁺
D.
Ag
😑 View Answer Rough Work Error
ANSWER :
A. Cu
6.
Balance the half-reaction: Cr₂O₇²⁻ → Cr³⁺ in acidic medium. What is the coefficient of H⁺?
A.
8
B.
10
C.
14
D.
6
😑 View Answer Rough Work Error
ANSWER :
C. 14