1.

Which of the following pairs can be the successive members of a homologous series?

Answer»

`C_(3)H_(8)andC_(4)H_(10)`
`C_(2)H_(2)andC_(2)H_(4)`
`CH_(4)andC_(3)H_(6)`
`C_(2)H_(5)OHandC_(4)H_(8)OH`

SOLUTION :Two successive members of a homologous series must have a DIFFERENCE of `- CH_(2)` in molecular formula.
`C_(3)H_(8)OVERSET(+CH_(2))rarrC_(4)H_(10)`


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