Question

explain substitution reaction??

Answer 1

the reaction in which one atom or group of atom is replaced by another atom or group of atom is called substitution reaction.for ex- when chlorine is added with methane chlorine replaces hydrogen one by one.
plz consider the above figure -

Answer 2

substitution reaction (also known as single displacement reaction or single replacement reaction) is a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.