The ammonia (NH3) released on quantitative reaction of 0.6 g urea (NH2CONH2) with sodium hydroxide (NaOH) can be neutralized by :
(1) 100 ml of 0.1 N HCl
(2) 200 ml of 0.4 N HCl
(3) 100 ml of 0.2 N HCl
(4) 200 ml of 0.2 N HCl
Answer is (3) 100 ml of 0.2 N HCl
Hence, NH3 will require 20 meq.
