Question

The enthalpy change of formation of cyclopropane is +53.3 kJ mol–1 and the enthalpy change of
atomisation of graphite is +717 kJ mol–1.

The bond enthalpy of H – H is 436 kJ mol–1 and of C – H is 410 kJ mol–1.

What value for the average bond enthalpy of the C – C bond in cyclopropane can be calculated
from this data?
A 187 kJ mol–1 B 315 kJ mol–1 C 351 kJ mol–1 D 946 kJ mol–1