Energy in combustion reactions (no calculations)

i figured out the 3 combustion reactions:
C4H10+13/2O2-->4CO2+5H2O
C4H8+13/2O2-->4CO2+4H2O
C4H6+13/2O2-->4CO2+3H2O

I need to know by using reasoning which hydrocarbon would have the largest released energy and why? (No calculations please)

C4H10 + 13/2O2 --> 4CO2 + 5H2O
C4H8 + 6O2 --> 4CO2 + 4H2O
C4H6 + 7/2O2 --> 4CO2 + 3H2O

well, first of all, it would help if you balanced the equations properly
second of all, look at the hydrocarbons, you have an alkane, an alkene and an alkyne. it take much more energy to be put into the system to break multiple bonds than it does single bonds. therefore, C4H10 would release the most energy since it contains only single bonds bewteen the C atoms.

usually it is the biggest i think, however it has been a while since i did organic chem, so i cant remember why. i do know that it is due to bonds