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Introduction to Organic Chemistry

The members o...

Question

The members of a homologous series have:

A

different general formulae

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B

different molecular weights

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C

different methods of preparation

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D

different chemical properties

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Solution

The correct option is B different molecular weights
The homologous series member always differ by a repeating unit of small chain of hydrocarbon. Therefore they differ from their molecular weight.
$C H_{4}, C_{2} H_{6} ($ differ by $- C H_{2})$

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Q. (a) Give the general name of the class of compounds having the general formula C_nH_2n₋₂. Write name of the first member of this homologous series.
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