JEE Main 2014 · 6 Apr · Shift 1 · Chemistry Q52

ChemistrySingle correct+4 / -1Question 52 of 90

On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is :

an alkanol

an alkanediol

an alkyl cyanide

an alkyl isocyanide

Answer and worked solution

Official answer: D

This is the carbylamine reaction: $\ce{RNH2 + CHCl3 + 3KOH -> RNC + 3KCl + 3H2O}$ . It gives an alkyl isocyanide.

JEE Main 2014 · 6 Apr · Shift 1, Chemistry question 52