Question

Homologous series examples.
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Answer 1

Answer:

The homologous series of straight-chained alkanes begins methane (CH4), ethane (C2H6), propane (C3H8), butane (C4H10), and pentane (C5H12). In that series, successive members differ in mass by an extra methylene bridge (-CH2- unit) inserted in the chain. Thus the molecular mass of each member differs by 14 atomic mass units. Adjacent members in such a series, such as methane and ethane, are known as "adjacent homologues".[

Answer 2

1. C2H4 , C3H6 => Alkene series
2. CH4 , C2H6 => Alkane series
3. C2H2 , C3H4 => Alkyne series