Balancing of Redox Reactions NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Balancing of Redox Reactions MCQ Questions


7.
In acidic medium, MnO₄⁻ is reduced to Mn²⁺. What is the number of electrons involved per MnO₄⁻ ion?
A.
3
B.
5
C.
2
D.
1
😑 View Answer Rough Work Error
ANSWER :
B. 5
8.
How many H₂O molecules are formed in the balanced equation of MnO₄⁻ + Fe²⁺ → Mn²⁺ + Fe³⁺ in acidic medium?
A.
1
B.
2
C.
4
D.
5
😑 View Answer Rough Work Error
ANSWER :
D. 5
9.
Which species is reduced in the reaction: Cl₂ + 2NaBr → 2NaCl + Br₂?
A.
Cl₂
B.
NaBr
C.
NaCl
D.
Br₂
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ANSWER :
A. Cl₂
10.
In the redox reaction: Zn + Cu²⁺ → Zn²⁺ + Cu, what is the reducing agent?
A.
Zn
B.
Cu²⁺
C.
Zn²⁺
D.
Cu
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ANSWER :
A. Zn
11.
In the reaction: Cl₂ + 2I⁻ → 2Cl⁻ + I₂, which species is oxidized?
A.
Cl₂
B.
I⁻
C.
Cl⁻
D.
I₂
😑 View Answer Rough Work Error
ANSWER :
B. I⁻
12.
Balance the redox reaction: NO₃⁻ → NO in acidic medium. Electrons lost per NO₃⁻ are?
A.
1
B.
2
C.
3
D.
4
😑 View Answer Rough Work Error
ANSWER :
B. 2