Which of the following carbon-carbon bond lengths is the shortest? | Hydrocarbons — Chem-Mantra | Chem-Mantra

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Question

Which of the following carbon-carbon bond lengths is the shortest?

Answer: C

💡 Solution & Explanation

The $C\equiv C$ triple bond in ethyne involves $sp-sp$ overlap, making it the shortest ($1.20 \text{ \AA}$) and strongest of the carbon-carbon bonds.

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