MCQ
In which of the following, the bond length between hybridized carbon atom and other carbon atom is minimum
  • Propyne
  • B
    Propene
  • C
    Butane
  • D
    Propane

Answer

Correct option: A.
Propyne
a
(a) We know that $C -C$ bond length = $1.54\,\mathop A\limits^o $, $C = C$ bond length = $1.34\,\mathop A\limits^o $ and $C \equiv C$ bond length = $1.20\,\mathop A\limits^o $. Since propyne has triple bond; therefore it has minimum bond length.

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