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Why C2—C3 bond length in propene is shorter than C—C bond in propane?

Why C2—C3 bond length in propene is shorter than C—C bond in propane?

Grade:12th pass

1 Answers

Anubhav Prasad
32 Points
7 years ago
single bond of c-c have a bond length of  159 angstrom(axial overlapping) but double and triple bond have less bond length due additional bonding of pi electrons (lateral overlapping+axial overlapping) this makes c-c bond more closer and hence it has shoter bond length

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