Which of the following gases is used as tear gas?

Correct option is D

The correct answer is (d) Cl₂

Explanation:

Chlorine (Cl₂) gas is commonly used as tear gas due to its irritating effects on the eyes, skin, and respiratory system. It causes severe irritation to the mucous membranes and eyes, leading to the tearing response. Chlorine gas has been historically used in warfare as a chemical weapon, but it is also used in crowd control situations as a tear gas.

Information Booster:

• Chlorine gas is a toxic, yellow-green gas with a strong, pungent odor.

• It irritates the eyes, throat, and lungs, leading to tearing and discomfort.

• Chlorine has been used in chemical warfare (World War I) and for riot control.

• It is heavier than air and can accumulate in low-lying areas.

• Chlorine is also used in water purification and bleaching processes.

• It can cause severe respiratory distress and other health issues with prolonged exposure.