Chemistry·Prelims Questions

Cyanides and Isocyanides — Prelims Questions

NEET UG
Updated 22 Mar 2026
Q1medium

Which of the following reagents would convert methyl bromide (CH3BrCH_3Br) into methyl isocyanide (CH3NCCH_3NC)?

Q2hard

An organic compound 'A' (molecular formula C2H7NC_2H_7N) reacts with chloroform and alcoholic KOH to produce a compound 'B' with an extremely offensive smell. Compound 'B' on reduction with LiAlH4LiAlH_4 gives a secondary amine 'C'. Identify compounds 'A', 'B', and 'C'.

Q3medium

Which of the following reactions will NOT produce a nitrile?

Q4easy

What is the major organic product formed when propanenitrile (CH3CH2CNCH_3CH_2C \equiv N) is treated with LiAlH4LiAlH_4 followed by hydrolysis?

Q5medium

Which of the following statements about isocyanides is INCORRECT?

Q6easy

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