How many sigma bonds in propene?

Answer 1

there are 6 sigma bonds in a benzene ring

Correction:

There are 6 sigma carbon-carbon bonds...but there are also 6 carbon-hydrogen sigma bonds. Thus there are twelve sigma bonds in a benzene ring.

Answer 2

Propene has 5 sigma bonds. There are 4 sigma bonds originating from the single bonds between carbon atoms and hydrogen atoms, and 1 sigma bond in the double bond between the two carbon atoms.

Answer 3

11 sigma bonds,1pi bond