neutralisation reaction
Học thuậtThân thiện
A student observes a neutralisation reaction in a beaker during a chemistry experiment.
Definition
- Noun:
- A chemical reaction between an acid and a base: This reaction results in the formation of a salt and, typically, water. The essential process involves the combination of hydrogen ions (H⁺) from the acid with hydroxyl ions (OH⁻) from the base to produce water (H₂O).
Usage
- The term "neutralisation reaction" is used specifically in chemistry to describe the process where an acid and a base react, canceling out each other's characteristic properties and producing a neutral solution (a salt dissolved in water).
- It is a standard concept in introductory chemistry courses and laboratory experiments.
Examples
- Noun:
- The neutralisation reaction between hydrochloric acid and sodium hydroxide produces sodium chloride and water.
- In the lab, we observed the temperature change during the neutralisation reaction of citric acid and baking soda.
Advanced Usage
- "Neutralisation" as a broader process: While "neutralisation reaction" refers to the specific chemical event, the noun "neutralisation" can also refer to the general act or result of making something neutral, such as in military or political contexts (e.g., the neutralisation of a threat). However, in the context of chemistry, it is intrinsically linked to the acid-base reaction.
- Stoichiometry of a neutralisation reaction: In a complete neutralisation, the moles of H⁺ ions equal the moles of OH⁻ ions.
Variants and Related Words
- Neutralise (verb): To cause a neutralisation reaction to occur; to make an acidic or basic solution neutral.
- Sodium bicarbonate can be used to neutralise acid spills.
- Neutralisation (noun): The act or process of neutralising; often used interchangeably with "neutralisation reaction" in chemistry.
- Neutral (adjective): Having a pH of 7; neither acidic nor basic.
- Salt (noun): An ionic compound produced, along with water, in a neutralisation reaction.
Synonyms
- Acid-base reaction: A more general term for any reaction involving an acid and a base, which includes but is not limited to neutralisation.
- Neutralization (US spelling): The American English spelling of "neutralisation".
Related Phrases / Idioms
- : This is a phrase used in titration, the laboratory method for carrying out and analysing a neutralisation reaction. It refers to the point where the amount of acid exactly neutralises the amount of base.
A student observes a neutralisation reaction in a beaker during a chemistry experiment.
Noun
- a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water