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Test: Acid Base & Redox Reactions - Chemistry MCQ


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10 Questions MCQ Test Inorganic Chemistry - Test: Acid Base & Redox Reactions

Test: Acid Base & Redox Reactions for Chemistry 2024 is part of Inorganic Chemistry preparation. The Test: Acid Base & Redox Reactions questions and answers have been prepared according to the Chemistry exam syllabus.The Test: Acid Base & Redox Reactions MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Acid Base & Redox Reactions below.
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Test: Acid Base & Redox Reactions - Question 1

What defines a redox reaction?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 1

In a redox (oxidation-reduction) reaction, electrons are transferred between reactants, leading to changes in oxidation states.

Test: Acid Base & Redox Reactions - Question 2

Which of the following reactions is NOT a redox reaction?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 2

The reaction CaCO3 ? CaO + CO2 is not a redox reaction because there is no transfer of electrons between the reactants.

Test: Acid Base & Redox Reactions - Question 3

Which type of redox reaction involves the displacement of an atom or ion in a compound by another atom or ion?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 3

Displacement reactions involve the replacement of an atom or ion in a compound by another atom or ion.

Test: Acid Base & Redox Reactions - Question 4

The species undergoing oxidation acts as a _____ agent.

Detailed Solution for Test: Acid Base & Redox Reactions - Question 4

The species undergoing oxidation acts as a reducing agent. A reducing agent (also called a reductant or reducer) is an element or compound that loses (or "donates") an electron to another chemical species in a redox chemical reaction.

Test: Acid Base & Redox Reactions - Question 5

Which substance acts as the reducing agent in the reaction: CuSO4 + Zn ? Cu + ZnSO4?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 5

In this reaction, zinc (Zn) acts as the reducing agent as it donates electrons to copper ions.

Test: Acid Base & Redox Reactions - Question 6

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Test: Acid Base & Redox Reactions - Question 7

Which substance is a strong reducing agent in the given reaction: 2Na2S2O3 + I2  -  Na2S4O6 + 2NaI, I2

Detailed Solution for Test: Acid Base & Redox Reactions - Question 7

Na2S2O3  is act as an strong reducing agent. 

Test: Acid Base & Redox Reactions - Question 8

What is the balanced redox equation for the reaction between P4, NaOH, and H2O2 in a basic medium?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 8

The balanced redox equation in a basic medium is: 2P4 + 16OH- + 8H2O2 ? 8PH3 + 8H2PO2-

Test: Acid Base & Redox Reactions - Question 9

In a non-metal displacement reaction, what is typically displaced?

Detailed Solution for Test: Acid Base & Redox Reactions - Question 9

In a non-metal displacement reaction, hydrogen is often displaced.

Test: Acid Base & Redox Reactions - Question 10

What is the reduction half-reaction for the reaction: 2H2 + O2 - 2H2O

Detailed Solution for Test: Acid Base & Redox Reactions - Question 10


In this reaction, oxygen gas is reduced from a neutral state to an oxidation state of -2, while hydrogen ions are reduced from an oxidation state of +1 to a neutral state. The overall reaction is a redox reaction, in which hydrogen is oxidized and oxygen is reduced.

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