question_answer

The reaction of primary aliphatic amines with nitrous acid gives a quantitative yield of nitrogen gas and is the basis of the van Slyke determination of amino nitrogen. What volume of nitrogen gas at STP would be liberated from mole of proline?

A)  44.8 mL                               

B)  73.1 mL

C)  123.01 mL          

D)  0

Correct Answer: D

Solution :

  It consists of \[2{}^\circ \] amino group that's why diazotisation does not proceed, resultantly no evolution of \[{{N}_{2}}\]. It is not proper for van Slyke method.