Practice question
Question
How many σ bonds are present in CH₂=CH-CH₃?
Explanation
In CH₂=CH-CH₃ (propene), there are 8 single bonds (C-H and C-C) and 1 double bond (C=C). The double bond consists of 1 σ and 1 π, so total σ bonds = 8 (single) + 1 (from double) = 9.