Redox Reaction Subtopic Half Reaction Method 01 Ques2

Question: What is the purpose of adding $H_2O$ molecules in the half-reaction method?

Options:

A) To balance the pH of the solution

B) To provide a source of oxygen atoms

C) To neutralize excess $H^+$ ions

D) To increase the reaction rate

Show Answer

Answer: b

Explanation:

A) $H_2O$ is not added to balance pH.

B) Correct. $H_2O$ is added to provide oxygen atoms when needed to balance the half-reaction.

C) $H_2O$ is not added to neutralize $H^+$ ions.

D) $H_2O$ addition is not related to reaction rate in this context.