Class 11 Chemistry (Part Ii) Chapter 8 Redox Reactions Quiz 14 (7 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is added to balance a half reaction under acidic conditions?

Correct Answer: D) H+ and water.

2. Which of the following changed to a metal atom happens when it becomes an ion?

Correct Answer: C) Loses electrons and is oxidized.

3. What is the reducing agent here:N$_{2}$ + 3H$_{2}$ $\rightarrow$ 2NH$_{3}$

Correct Answer: A) H$_{2 }$.

4. Choose the oxidising agent in this reaction.Cu + 4HNO$_{3}$ $\rightarrow$ Cu(NO$_{3}$)$_{2}$ + 2H$_{2}$O + 2NO$_{2}$

Correct Answer: B) HNO$_{3}$.

5. When chlorine reacts with sodium to form sodium chloride, the chlorine is acting as

Correct Answer: A) An oxidizing agent.

6. What type of chemical reaction is this?Al(OH)$_{3}$ $\rightarrow$ Al$_{2}$O$_{3}$ + H$_{2}$O

Correct Answer: D) Decomposition.

7. In a galvanic cell, what ensures the charges of each solution remain balanced?

Correct Answer: C) Salt bridge.