The enthalpy of combustion of propane, graphite and dihydrogen at 298 ~K are -2220.0 ~kJ ~mol⁻¹,-393.5 ~kJ ~mol⁻¹ and -285.8 ~kJ ~mol⁻¹ respectively. The magnitude of enthalpy of formation of propane (C₃ H₈) is _ _ _ _ _ _ _ k J mol⁻¹. (Nearest integer)

Chemical Thermodynamics: JEE Main 2022 Chemistry question

JEE Main 2022 · 25 Jul, Morning shift · Q20

JEE Main 202225 Jul, Morning shiftChemistryHardChemical Thermodynamics84× since 2002

The enthalpy of combustion of propane, graphite and dihydrogen at

298 \mathrm{~K}

are

-2220.0 \mathrm{~kJ} \mathrm{~mol}^{-1},-393.5 \mathrm{~kJ} \mathrm{~mol}^{-1}

and

-285.8 \mathrm{~kJ} \mathrm{~mol}^{-1}

respectively. The magnitude of enthalpy of formation of propane

\left(\mathrm{C}_{3} \mathrm{H}_{8}\right)

is _______________

\mathrm{kJ} \,\mathrm{mol}^{-1}

. (Nearest integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Chemical Thermodynamics Question with Answer (25 Jul Morning shift, Q20) | JEE Arc