Redox Chemistry MCQs
Redox Chemistry MCQs
Try to answer these Redox Chemistry MCQs and check your understanding of the Redox Chemistry subject. Scroll down and let's begin!
1: In the reaction shown, ________ is the oxidizing agent because it ________. Ni(s) + CuCl2(aq) Cu(s) + NiCl2(aq)
A. CuCl2; gets reduced
B. NiCl2;gets reduced
C. Ni(s);gets reduced
D. None of the above
2: Oxidation and ________ mean essentially the same thing.
A. Corrosion
B. Activity.
C. Reduction.
D. Metathesis
3: What is a redox reaction?
A. A reaction involving the transfer of electrons between atoms or ions
B. A reaction in which a substance is dissolved in water
C. A reaction that occurs at high temperatures
D. A reaction that only involves changes in physical state
4: What is oxidation?
A. The gain of electrons
B. The loss of electrons
C. The gain of protons
D. The loss of protons
5: What is reduction?
A. The gain of electrons
B. The loss of electrons
C. The gain of protons
D. The loss of protons
6: In a redox reaction, the reducing agent:
A. Gains electrons and gets oxidized
B. Loses electrons and gets oxidized
C. Gains electrons and gets reduced
D. Loses electrons and gets reduced
7: In a redox reaction, the oxidizing agent:
A. Gains electrons and gets oxidized
B. Loses electrons and gets oxidized
C. Gains electrons and gets reduced
D. Loses electrons and gets reduced
8: What is the oxidation number of an atom in its elemental form?
A. 1
B. 0
C. -1
D. It depends on the specific element
9: In the reaction: 2Mg + O2 → 2MgO, magnesium is:
A. Oxidized
B. Reduced
C. Neither oxidized nor reduced
D. Both oxidized and reduced
10: What is the oxidation number of hydrogen in most compounds?
A. -1
B. 0
C. It depends on the specific compound
11: Which of the following elements has the highest tendency to be reduced?
A. Oxygen
B. Fluorine
C. Lithium
D. Potassium
12: What is the purpose of balancing redox equations?
A. To ensure the conservation of mass and charge
B. To determine the products of the reaction
C. To calculate the reaction rate
D. To identify the limiting reagent in the reaction
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Redox Chemistry MCQs
