Q.

The ammonia (NH3) released on quantitative reaction of  0.6 g urea (NH2CONH2) with sodium hydroxide (NaOH) can be neutralized by

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a

100 mL of 0.2 N HCl

b

100 mL of 0.1 N HCl

c

200 mL of 0.4 N HCl

d

200 mL of 0.2 N HCl

answer is A.

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Detailed Solution

2 × mole of Urea  mole of NH3                  …..(1)Mole of NH3 = mole of HCl      …..(2)∴ mole of HCl = 0.02 mole
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