Electronic Concepts of Oxidation and Reduction NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry
Electronic Concepts of Oxidation and Reduction

Electronic Concepts of Oxidation and Reduction MCQ Questions


1.
According to the electronic concept, oxidation is defined as:
A.
Loss of electrons by a species
B.
Addition of hydrogen to a species
C.
Removal of oxygen from a species
D.
Gain of electrons by a species
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ANSWER :
A. Loss of electrons by a species
2.
According to the electronic concept, reduction is defined as:
A.
Loss of electrons by a species
B.
Addition of oxygen to a species
C.
Gain of electrons by a species
D.
Removal of hydrogen from a species
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ANSWER :
C. Gain of electrons by a species
3.
An oxidising agent (oxidant) is a species that:
A.
Undergoes oxidation in the reaction
B.
Accepts electrons from another species
C.
Donates electrons to another species
D.
Loses electrons during the reaction
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ANSWER :
B. Accepts electrons from another species
4.
A reducing agent (reductant) is a species that:
A.
Donates electrons to another species
B.
Increases its electronegativity
C.
Gets reduced in the reaction
D.
Accepts electrons from another species
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ANSWER :
A. Donates electrons to another species
5.
In the reaction 2Na(s) + Cl₂(g) → 2NaCl(s), sodium acts as:
A.
Reducing agent and gets oxidised
B.
Oxidising agent and gets reduced
C.
Reducing agent and gets reduced
D.
Oxidising agent and gets oxidised
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ANSWER :
A. Reducing agent and gets oxidised
6.
In the reaction 2Na(s) + Cl₂(g) → 2NaCl(s), chlorine acts as:
A.
Reducing agent and gets reduced
B.
Oxidising agent and gets reduced
C.
Oxidising agent and gets oxidised
D.
Reducing agent and gets oxidised
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ANSWER :
B. Oxidising agent and gets reduced
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