Definition

1. Noun:
   • A colorless, corrosive gas (HCl): A chemical compound composed of hydrogen and chlorine atoms. It is a pungent, toxic gas that dissolves readily in water to form hydrochloric acid.

Usage Examples

• Noun:
  • The laboratory produced hydrogen chloride for the synthesis experiment.
  • When dissolved in water, hydrogen chloride forms a strong acid.
  • Proper ventilation is essential when handling hydrogen chloride gas due to its corrosive nature.

Advanced Usage

• Chemical Synthesis: Hydrogen chloride is a common reagent and byproduct in industrial chemical processes.
  • The reaction yielded hydrogen chloride as a gaseous byproduct.
• In Solution: When referring to the compound dissolved in water, it is typically called "hydrochloric acid," but the source gas is "hydrogen chloride."
  • The hydrogen chloride gas was bubbled through water to prepare the acid solution.

Variants and Related Words

• Hydrochloric acid (n): The aqueous solution of hydrogen chloride gas.
  • Hydrochloric acid is used for cleaning metals.
• HCl (n): The standard chemical formula for hydrogen chloride.
  • The chemical formula HCl represents hydrogen chloride.

Synonyms

• Muriatric acid gas (archaic/technical): An older term sometimes used for hydrogen chloride gas.

Related Phrases

• Hydrogen chloride gas: Specifies the gaseous state of the compound.
  • The leak involved hydrogen chloride gas, requiring an immediate evacuation.
• Anhydrous hydrogen chloride: Refers to hydrogen chloride without any water, i.e., the pure gas.
  • Anhydrous hydrogen chloride is required for this specific organic reaction.

Noun

1. a colorless corrosive gas (HCl)