Explain how the alkoxy group (-OR) is ortho and para-directing and activates the aromatic ring towards electrophilic substitution reactions.

Between anisole and phenol, which is more reactive towards electrophilic substitution reaction.

Give reason why: alkyl aryl ethers are less reactive than phenols towards electrophilic substitution reactions.

Explain the fact that in aryI alkyl ether, the alkoxy group activates the benzene ring towards electrophilic substitution.

Account for the following Although, amino group is o-and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.

Write short note on : Ortho and para directing groups

Explain, why -OH is called an ortho & para directing group.

Which of the following is a ortho-para-directing group ?

Account for the following : (a) Alkyl halides prefer to undergo dehydrohalogenation in the presence of a strong base such as Na metal instead of undergoing Wurtz reaction. (b) Allyl chloride is more reactive than the n-propyl chloride towards nucleophilic substitution reaction. Explain why?