Question

Describe the procedure and reactions involved in preparation of Iodoform from Ethanol. 

Answer 1

When ethanol is warmed (60o

C) with iodine in the presence of an alkali (NaOH or Na2​CO3​), iodoform is obtained

Ethanol

$C_2 ​H_5 ​OH ​+4I_2 ​+6NaOH⟶ CHI_3 ​ ​+HCOONa+5NaI+5H_2 ​O$

(ii) The product formed will be biphenyl and sodium chloride (NaCl) 

Wurts Fittig reaction