Bond strength in hydrocarbons
As much shorter is the bond size, the greater is the compression among molecules atomic nuclei and therefore greater is the strength of that bond.
Table:
Bond type (C - H)
|
Bond energy (kcal/mole)
|
Bond type (C - C)
|
Bond energy (kcal/mole)
|
(in alkanes)
|
104
|
(in alkanes)
|
80 - 90
|
(in alkenes)
|
106
|
(in alkenes)
|
122 - 164
|
(in alkynes)
|
121
|
(in alkynes)
|
123 - 199
|