Phenol reacts with `C CI_(4)` is presence of aqueneous alkali and forms a product which on hydrolysis gives

Phenol reacts with C Cl_4 in presence of aqueous alkali at 340 K to give

Toluene reacts with excess of CI_(2) in presence of sunlight to give a product which on hydrolysis followed by reaction with NaOH gives .

Benzene reacts with C CI_(4) in presence of anhydrous AICI_(3) to give :

Phenol reacts with HCHO in presence of dilute acid forms _____.