Carbon and its Compounds · Class 10 · CBSE Science

Which of the following compounds belongs to the homologous series of alkynes?

Practice question from Carbon and its Compounds (Class 10 · CBSE Science), with the correct answer and a step-by-step solution.

easy · MCQ · Q-86B713

Which of the following compounds belongs to the homologous series of alkynes?

  1. A.C2H4
  2. B.C2H2Correct answer
  3. C.CH4
  4. D.C3H8

Solution

Alkynes have the general formula CnH2n−2C_n{H}_{2n-2}. For n=2n=2, the formula is C2H2C_2H_2 (Ethyne). C2H4C_2H_4 is an alkene and CH4CH_4 and C3H8C_3H_8 are alkanes.

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