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Karthikeyan A · 2024-06-11T05:26:20.486Z

• Neutralisation is a chemical reaction in which an acid and a base react quantitatively to form water and a salt. • Definition: Neutralisation is the process where an acid and a base react to form water and a salt. • General Equation: Acid + Base → Salt + Water. • Example Reaction: Hydrochloric acid (HCl) + Sodium hydroxide (NaOH) → Sodium chloride (NaCl) + Water (H₂O). • pH Change: During neutralisation, the pH of the solution moves towards 7 (neutral), depending on the strength of the acid and base involved. • Heat Release: The reaction is usually exothermic, meaning it releases heat. • Application in Titration: Neutralisation is a key concept in titration, a method to determine the concentration of an acid or base in a solution. • Everyday Examples: • Antacids: Neutralise stomach acid to relieve heartburn. • Agriculture: Lime (calcium carbonate) is used to neutralise acidic soils. • Water Treatment: Neutralisation of acidic wastewater to prevent environmental damage. • Indicators: Substances like litmus or phenolphthalein are used to indicate the completion of the neutralisation reaction by changing color.

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Karthikeyan A

Jun 11

Neutralisation

in Karthikeyan

Neutralisation is a chemical reaction in which an acid and a base react quantitatively to form water and a salt.
Definition: Neutralisation is the process where an acid and a base react to form water and a salt.
General Equation: Acid + Base → Salt + Water.
Example Reaction: Hydrochloric acid (HCl) + Sodium hydroxide (NaOH) → Sodium chloride (NaCl) + Water (H₂O).
pH Change: During neutralisation, the pH of the solution moves towards 7 (neutral), depending on the strength of the acid and base involved.
Heat Release: The reaction is usually exothermic, meaning it releases heat.
Application in Titration: Neutralisation is a key concept in titration, a method to determine the concentration of an acid or base in a solution.
Everyday Examples:
Antacids: Neutralise stomach acid to relieve heartburn.
Agriculture: Lime (calcium carbonate) is used to neutralise acidic soils.
Water Treatment: Neutralisation of acidic wastewater to prevent environmental damage.
Indicators: Substances like litmus or phenolphthalein are used to indicate the completion of the neutralisation reaction by changing color.

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