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As per your syllabus, the carbon-carbon triple bond in ethyne (HC≡CH) consists of which σ/π combination?
A1 σ + 2 π
B3 σ
C2 σ + 1 π
D1 σ + 1 π
Answer & Solution
Correct answer: A. 1 σ + 2 π
Your syllabus: C≡C = 1 σ (sp-sp axial) + 2 π (two perpendicular p-orbital pairs).
Carbons sp hybridised, linear.
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