Question

Write the common name, IUPAC name and formula of isomers of butane, pentane and hexane.

Answer 1

Compound	Isomers		IUPAC name
Butane	(i)	n-butane	Butane
	(ii)	Isobutane	2-methyl propane
Pentane	(i)	n-pentane	pentane
	(ii)	Isopentane	2-methyl butane
	(iii)	Neopentane	2,2-dimethyl propane
Hexane	(i)	n-Hexane	Hexane
	(ii)	Isonexane	2-methyl pentane
	(iii)		3-methyl pentane
	(iv)		2,2-dimethyl butane
	(v)		2,3-dimethyl butane