Which of the following statements are correct? (I) A pair of positional isomers differs in the
Channel: Doubtnut
Date: 2020-01-19

Which of the following statements are correct? (I) A pair of positional isomers differs in the position of the same functional group. (II) A pair of structural isomers have the same relative molar mass. (III) A pair of functional group isomers belongs to different homologous series.