How can phenol be converted to aspirin?

Give IUPAC name of the following ether :

Complete the following reaction sequence.

Which of the following is an appropriate set of reactants for the preparation of $1$-methoxy-$4$-nitrobenzene and why?

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?