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9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
The bond length between $s{p^3}$ hybridised carbon atom and other carbon atom is minimum in
  • A
    Propane
  • B
    Butane
  • C
    Propene
  • ✓
    Propyne
✓

Answer

Correct option: D.
Propyne
d
The $C - C$ bond length $=1.54\, \mathring A, C = C$ bond length $=1.34\, \mathring A$ and $C \equiv C$ bond length $=1.20 \,\mathring A$. Since propyne has a triple bond, therefore it has minimum bond length.

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