What is a neutralisation reaction ? Explain with an example. Give the chemical equation of the reaction which takes place.

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Solution

Reactions between an acid and a base are known as neutralization reactions. On mixing an acid with a base, i.e., in a neutralization reaction, salt and water are obtained as products. Also, energy is evolved during the process. The general equation for the neutralization reaction is represented as:

$A c i d + B a s e ⟶ S a l t + W a t e r$

For example, when sodium hydroxide (NaOH) is treated with hydrochloric acid (HCl), then a salt, i.e., sodium chloride (NaCl) and water ( $H_{2} O$ ) are obtained. The chemical equation for the neutralization reaction is given as:

$N a O H + H C l ⟶ N a C l + H_{2} O$

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