What is the name of HCl?

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Study for the IGCSE Edexcel Chemistry Test. Access flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What is the name of HCl?

Explanation:
When naming a compound, the state matters. HCl is a simple binary compound of hydrogen and chlorine. In the gaseous form it’s called hydrogen chloride. When it’s dissolved in water, it forms an acidic solution, and the common name for that substance is hydrochloric acid. That context is what the option reflects, making it the best match. The other names aren’t standard for the common form you’d encounter in solution (hydrogen chloride gas is for the gas, and chlorine hydride isn’t a used name).

When naming a compound, the state matters. HCl is a simple binary compound of hydrogen and chlorine. In the gaseous form it’s called hydrogen chloride. When it’s dissolved in water, it forms an acidic solution, and the common name for that substance is hydrochloric acid. That context is what the option reflects, making it the best match. The other names aren’t standard for the common form you’d encounter in solution (hydrogen chloride gas is for the gas, and chlorine hydride isn’t a used name).

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