Cyanides and Isocyanides — Prelims Questions

Which of the following reagents would convert methyl bromide ($CH_3Br$) into methyl isocyanide ($CH_3NC$)?

An organic compound 'A' (molecular formula $C_2H_7N$) reacts with chloroform and alcoholic KOH to produce a compound 'B' with an extremely offensive smell. Compound 'B' on reduction with $LiAlH_4$ gives a secondary amine 'C'. Identify compounds 'A', 'B', and 'C'.

Which of the following reactions will NOT produce a nitrile?

What is the major organic product formed when propanenitrile ($CH_3CH_2C equiv N$) is treated with $LiAlH_4$ followed by hydrolysis?

Which of the following statements about isocyanides is INCORRECT?

Which of the following compounds will give a positive Carbylamine test?