Question

Which of the following belongs to homologous series of alkyne? Give
reason for your choice.
C6H6, C2H6, C2H4, C3H4.
(a) C6H6
(b) C2H4
(C) C2H6
(d) C3H4
​

Answer 1

Answer:

C3H5

as it satisfied by the formula CnH2n-2

here c=3 and H=5

so

according to above for it can be satisfied

Answer 2

d) C3H4

because the general formula of alkyne is CnH2n-2

so,

C3H2×3-2

C3H6-2

C3H4

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