Question:RESPECTED SIR PLEASE TELL ME THAT HOW TO IDENTIFY THE ALKYL GROUPS IN AN BRANCHED HYDROCARBON?
Answer:Alkyl groups are nothing but CH2 groups. Depending on the number of carbon atom present in a stretch, they can have different nomenclatures.
Example,
CH2 - methylene
CH3 - Methyl
C2H5 - Ethyl
C3H8 - Propyl
C4H10 - Butyl, and so on.