Answer
Propene
Work Step by Step
C3-H bonds are sigma bonds formd with $sp^{3}$ orbital of carbon overlapping with the s orbital of H.
C2-H bond is a sigma bond formed from $sp^{2}$ orbitals of carbn and s orbital of H.
C2-C1 is a pi bond formed from the overlapping of two $sp^{2}$ from both carbons
