Question

Which structural isomerism is shown by following group of compounds : (1) n-butane and iso-butane
(2) n-pentane, iso-pentane and neo-pentane
(3) but-1-ene and 2-methylpropene
(4) propan-1-ol and propan-2-ol
(5) butanoic acid and 2-methylpropanoic acid
(6) ethanol and dimethylether
(7) propanal and propanone
(8) ethanoic acid and methyl formate​

Answer 1

Answer:

1. Chain isomerism

2. Chain isomerism