Question

The enthalpy of hydrogenation of cyclohexane is -119.5 kj/mol. If resonance energy of benzene is -150 kj/mol, its enthalpy of hydrogenation would be
a) -269.9 kj/mol
b) -358.5 kj/mol
c) -508.9 kj/mol
d) -208.1 kj/mol​

Answer 1

The enthalpy of hydrogenation of cyclohexane is -119.5 kj/mol. If resonance energy of benzene is -150 kj/mol, its enthalpy of hydrogenation would be

a) -269.9 kj/mol

b) -358.5 kj/mol✔️✔️✔️

c) -508.9 kj/mol

d) -208.1 kj/mol