Question

Chlorine reacts with saturated hydrocarbons at room temperature in the

पर्याय

• absence of sunlight

• presence of sunlight

•  presence of water

• presence of hydrochloric acid

Answer 1

presence of sunlight

Explanation - 

In the presence of sunlight, chlorine is added to saturated hydrocarbons in a very fast reaction. Chlorine can replace the hydrogen atoms one by one. It is called a substitution reaction because one type of atom or a group of atoms takes the place of another. 

`"CH"_4 + "Cl"_2 overset("sunlight")(->) "CH"_3"Cl" + "HCl"`