How do you convert the following?

Propan-2-ol to 2-methylpropan-2-ol

How do you convert the following?

Phenol to anisole

Write the IUPAC name of the compound.

How do you convert the following?

Aniline to Phenol

Write the mechanism of the following reaction: 2CH₃-CH₂-OH -->  CH₃-CH₂-O-CH₂-CH₃?