Teaching UP PGT Mock Test Series 2024 Chemistry Thermodynamics First Law Of Thermodynamics And Hess law
Given:
\(\begin{array}{c} Δ \mathrm{H}^{0}_\mathrm{f} \ {\mathrm{of}}\ \mathrm{CO}_{2}(\mathrm{~g})=-393.5 \mathrm{~kJ} / \mathrm{mol} \\ Δ \mathrm{H}^{0}_{\mathrm{f}} \text { of } \mathrm{H}_{2} \mathrm{O}(\mathrm{l})=-286 \mathrm{~kJ} / \mathrm{mol} \\ Δ \mathrm{H}^{0}_{\mathrm{f}} \text { of } \mathrm{C}_{3} \mathrm{H}_{6}(\mathrm{~g})=+20.6 \mathrm{~kJ} / \mathrm{mol} \end{array}\)
ΔH0 isomerisation of Cyclopropane to Propene = -33 kJ/mol
What is the standard enthalpy of combustion of Cyclopropane?
1
-2092 kJ/mol
2
-1985 kJ/mol
3
+2384 kJ/mol
4
-2051 kJ/mol