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प्रश्न
What is meant by a substitution reaction? Give an example (with equation) of the substitution reaction of an alkane.
उत्तर
Substitution reaction is a reaction in which hydrogen atoms of a hydrocarbon are replaced by other atoms. It is a characteristic of saturated hydrocarbons (alkanes).
For example:
Methane (alkane) reacts with chlorine, in the presence of sunlight, to form chloromethane and hydrochloric acid.
The chemical equation of this reaction is as follows:
CH4 + Cl2 → CH3Cl + HCl
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