Explain the following observations: Phenol is more acidic than ethanol.

Explain the following observations:

$\mathrm{o}$-and $\mathrm{p}$ -nitrophenols are more acidic than phenol.

Give a chemical test to distinguish between the following pairs of compounds:

Give a chemical test to distinguish between the following pairs of compounds:

Explain the following giving one example for each:

Friedel-Craft's acetylation of anisole

How would you obtain $2$-Methyl propane from $2$-methyl propanol?