Question

1. choose the best answer.

____ is the process in which an atom or ion experiences an increase in oxidation state.

• reduction
• reducing
• oxidizing
• oxidation

1. choose the best answer.

when a(n) ____ agent oxidizes, it causes reduction in another substance.

• oxidizing
• reducing
• equating
• conserving

1. choose the best answer.

____ is the process in which an atom or ion experiences a decrease in oxidation state.

• conservation
• oxidation
• equation
• reduction

Explanation:

Question 11

Oxidation is defined as the process where an atom or ion's oxidation state increases (loses electrons). Reduction is the opposite (decrease in oxidation state). "Reducing" and "Oxidizing" are adjectives for agents, not the process. So the correct term for the process of increasing oxidation state is Oxidation.

A reducing agent is oxidized (loses electrons) and causes another substance to be reduced (gain electrons). An oxidizing agent is reduced. "Equating" and "conserving" are not relevant here. So when a reducing agent oxidizes, it causes reduction in another substance.

Reduction is the process where an atom or ion's oxidation state decreases (gains electrons). Oxidation is the increase, and "Conservation" / "Equation" are not related to this process. So the process of decreasing oxidation state is Reduction.

Answer:

D. Oxidation

Question 12