Give reasons for the following:
Substitution reactions are characteristic reactions of saturated organic compounds only. 

Give the products of the following organic reactions :

Explain why are electrophilic substitution reactions the most characteristic reactions of benzene?

Give reason for the following: +1 gallium undergoes disproportionation reaction.

Give three examples of electrophilic substitution reactions.

Give balanced equations for the following reactions using sulphuric acid . Formation of ahydrocarbon from an organic compound.

Which of the following is a characteristic of a reversible reaction ?

Which of the following is not characteristic of an oxidation reaction?

Fill in the blank with the choices given in brackets : Substitution reactions of reaction are characteristic reaction of ………….. (alkynes/alkenes/alkanes)

Give reason for the following: The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.