(a) Give the general name of the class of compounds having the general formula CnH2n-2 Write the name of the first member of this homologous series.(b) The general formula of a homologous series of carbon compounds is CnH2n. Write the molecular formula of the second and fourth members of the series.
(c) Write the molecular formulae of the third and fifth members of homologous series of carbon compounds represented by the general formula CnH2n+2.


(a) The general name of the class of compounds having the general formula CnH2n-2  is Alkynes.
Its first member is Ethyne.

(b) The formula for:
Second member is C3H6.
Fourth member is C5H10.

(c)  The formula for:
Third member is C3H8.
Fifth member is C5H12.

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Updated on: 10-Oct-2022

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