Final answer:
The gases formed in the reaction escape in the lab through a vent in the fume hood.
Step-by-step explanation:
The gases formed in the reaction escape in the lab through the option c) Through a vent in the fume hood. In the lab, when a reaction produces a gas, it is important to ensure that the gases are safely vented to prevent any harmful inhalation. Fume hoods are designed to safely remove any fumes or gases generated during lab experiments, providing a safe space for students and preventing any potential hazards.