I. An aliphatic amine is named by prefixing alkyl group to amine in the common system.Il. In secondary and tertiary amines, when two or more groups are the same, the prefix di or tri is appended before the name of alkyl group.III. If more than one amino group is present at different positions in the parent chain then suitable prefix such as di, tri is attached to the amine" The letter 'e' of the suffix of the hydrocarbon part is retained.Select the correct statement(s) from the abovestatements and choose the appropriate option.