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Homologous Series

The number of...

Question

The number of carbon atoms present in the molecule of fifth member of the homologous series of alkynes is:

(a) four
(b) five
(c) six
(d) seven

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Solution

(c) six
The number of carbon atoms present in the molecule of the fifth member of the homologous series of alkynes is 6, as the first compound of this series has minimum two carbon atoms.

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