👉 A chemical weapon, often referred to as a toxic or corrosive agent, is a substance designed to harm or kill by chemically reacting with living tissues. These agents can be categorized into various types, including nerve agents, blister agents, and choking agents. For instance, nerve agents like sarin or VX work by inhibiting acetylcholinesterase, an enzyme crucial for nerve signal transmission, leading to overstimulation of the nervous system and potentially fatal respiratory failure. Blister agents, such as sulfur mustard, damage skin and mucous membranes by forming toxic cross-links with proteins, causing severe burns and blisters. Choking agents like chlorine gas attack the respiratory system by irritating and damaging the mucous membranes, leading to difficulty breathing. The chemistry behind these weapons involves complex molecular interactions that exploit biological systems, making them extremely dangerous and difficult to neutralize.