Will be mentioned at relevant places — Prelims Questions

Which of the following reagents would convert ethyl bromide into ethyl isocyanide?

An organic compound 'A' on treatment with $ext{CHCl}_3$ and alcoholic $ext{KOH}$ gives a foul-smelling compound 'B'. Compound 'B' on acidic hydrolysis gives a primary amine and formic acid. What is compound 'A'?

What is the product formed when propanenitrile ($ext{CH}_3\text{CH}_2\text{C}equiv\text{N}$) is completely hydrolyzed in the presence of an acid?

Which of the following compounds will NOT give the Carbylamine reaction?

What is the major product when benzonitrile ($ext{C}_6\text{H}_5\text{C}equiv\text{N}$) is reduced with $ext{LiAlH}_4$ followed by hydrolysis?

Which of the following statements about cyanides and isocyanides is INCORRECT?