What Is the Reaction at the Cathode in a Breathalyzer

question 151

Multiple Choice

What is the reaction at the cathode in a breathalyzer?

• A) Ethanol is oxidized to acetic acid.
• B) Acetic acid is reduced to ethanol.
• C) Oxygen is reduced.
• D) Hydrogen is oxidized.
• E) Ethanol is oxidized to acetaldehyde.

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Definitions:

Supply Shifted

A change in the quantity of a good or service that suppliers are willing and able to sell at all possible prices, typically due to factors like changes in technology or costs.

Inverse Demand Curve

A graph that shows the relationship between the price of a good and the quantity demanded, plotted with price on the vertical axis and quantity on the horizontal axis.

Equilibrium Price

The rate at which the amount of a good or service sought by consumers is equal to the amount available, achieving a state of market equilibrium.

Substitutes

Products or services that can replace or act as alternatives to another, affecting consumer choices and market dynamics.