Write chemical equation for the preparation of following ether as major product by Williamson synthesis.

 Cyclopentyl ethyl ether

Write the structure of alkyl halide and alcohol by the action of $\mathrm{HBr}$ on following ether.

tert-Butyl n-propyl ether

How will you effect following two step conversions diethyl ether into n-Butane?

Complete the following reaction:
Anisole$\underset{{\mathrm{AlCl}}_3}{\overset{\mathrm{t}-\mathrm{butyl} \mathrm{chloride}}{\to }}\mathrm{A}\stackrel{{\mathrm{Cl}}_2/{\mathrm{FeCl}}_3}{\to }\mathrm{B}\stackrel{\mathrm{HBr}}{\to }\mathrm{C}$

Write equation of the following reaction :

Nitration of anisole.

Explain the fact that in aryl alkyl ethers

It directs the incoming substituents to ortho and para positions in benzene ring.

Write equation of the following reaction: 

Bromination of anisole in ethanoic acid medium.