Organic Chemistry - Some Basic Principles and Techniques — Prelims Questions

Which of the following carbocations is the most stable?

What is the correct IUPAC name for the compound $CH_3-CH_2-CH(CH_3)-CH_2-CHO$?

Which of the following compounds will exhibit geometrical isomerism?

Which of the following purification techniques is most suitable for separating a mixture of two liquids with boiling points $90^\circ C$ and $95^\circ C$?

In Lassaigne's test, nitrogen in an organic compound is converted to which of the following ionic compounds?

Which of the following compounds is a functional group isomer of propanal?