Which of the following compounds prossesses the `C-H` bonds with the lowest bond dissociation energy?

Options

A. Toluene
B. Benzene
C. n-pentane
D. 2,2- dimethylpropane

Answer

A

Explanation

Bond dissociation energy for C-H are given below in the give molecules.
`{:(C_(6)H_(5)CH_(3),-85"Kcal/mol"),(C_(6)H_(6),-110"Kcal/mol"),(CH_(3)CH_(2)CH_(2)CH_(2)CH_(3),-98"Kcal/mol"),(H_(3)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(3),-92"Kcal/mol"):}`