Which of the following is a characteristic of cyanide?

Cyanide is known for being a highly toxic substance that can exist in several states, one of which is as a colorless gas. This characteristic is significant because it allows cyanide gas to be easily inhaled without any visible warning, posing a serious health risk. Being colorless means that individuals can be exposed to it unknowingly, which heightens the danger of cyanide in certain environments.

While cyanide can also be found in liquid forms and as solids (like potassium cyanide), its gaseous state is particularly lethal because it rapidly absorbs into the bloodstream, leading to swift poisoning symptoms. Understanding this characteristic is crucial for recognizing potential hazards in industrial and laboratory settings where cyanide may be present.