The enthalpy of formation of co,(g), h,o() and propene are -393.5, -285.8 and 20.42 kj/mol respectively. the enthalpy of isomerisation of cyclopropane to propen

The enthalpy of formation of CO,(g), H,O() and propene are -393.5, -285.8 and 20.42 kJ/mol respectively. The enthalpy of isomerisation of cyclopropane to propene is -33 kJ/mol. Then which of the following is the enthalpy change for the combustion of cyclopropane at 298 K is ? (A) (C) 2. 2291 kJ mol- 2196 kJ mol- -2091 kJ mo-1 (B) (D) 2191 kJ mo-