Identify the hybrid and non-hybrid atomic orbitals (s, p, sp, sp2, sp3) formed b

Question

Identify the hybrid and non-hybrid atomic orbitals (s, p, sp, sp2, sp3) formed by the following. the C(l) atom in 2-hexene, an alkene This carbon atom forms 4 equivalent sp3 orbitals. This carbon atom forms 3 equivalent sp2 orbitals and retains 1 p orbital. O This carbon forms 2 equivalent sp orbitals and retains 2 p orbitals. This carbon does not hybridize and retains its s and all 3 p orbitals. the C(2) atom in 2-hexene, an alkene This carbon atom forms 4 equivalent sp3 orbitals. This carbon atom forms 3 equivalent sp2 orbitals and retains 1 p orbital. This carbon forms 2 equivalent sp orbitals and retains 2 p orbitals. This carbon does not hybridize and retains its s and all 3 p orbitals. the C(3) atom in 3-hexyne, an alkyne This carbon atom forms 4 equivalent sp3 orbitals. This carbon atom forms 3 equivalent sp2 orbitals and retains 1 p orbital. This carbon forms 2 equivalent sp orbitals and retains 2 p orbitals. This carbon does not hybridize and retains its s and all 3 p orbitals.

Explanation / Answer

2-hexene

CH3-CH=CH-CH2-CH2-CH3

(a) C1 ia a saturated carbon, hence formed 4 sp3 hybrid orbitals

option 1

(b) C-2 is an unsaturated carbon with one pi bond. So it is sp2 hybridised by forming three sp2 hybrid orbitals and un-hybridised p orbital

option 2

(c) CH2-CH2-C triple bond CH2-CH3

C3 is a triple bonded carbon where there is one sigma bond formed by two sp hybrid orbitals and two pi bonds formed by sideways overalp of 2 un-hybridised orbitals on ecah triple bonded carbon

answer: option 3

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