


$R-NH_2$ $\xrightarrow[{HCl}]{{NaN{O_2}}}$ $..................$
(a gas is evolves with brisk effervescene is)


| $List-I$ | $List-II$ |
| $A.$ Benzenesulphonyl chloride | $I.$ Test for primary amines |
| $B.$ Hoffmann bromamide reaction | $II.$ Anti Saytzeff |
| $C.$ Carbylamine reaction | $III.$ Hinsberg reagent |
| $D.$ Hoffmann orientation | $IV.$ Known reaction of Isocyanates. |
Choose the correct answer from the options given below.