Consider the following data Heat of combustion of H₂(g) =-241.8 ~kJ ~mol⁻¹ Heat of combustion of C(s) =-393.5 ~kJ ~mol⁻¹ Heat of combustion of C₂ H₅ OH(l) =-1234.7 ~kJ~mol⁻¹ The heat of formation of C₂ H₅ OH(l) is (-) _ _ _ _ _ k J ~mol⁻¹ (Nearest integer).

Chemical Thermodynamics: JEE Main 2023 Chemistry question

JEE Main 2023 · 6 Apr, Evening shift · Q22

JEE Main 20236 Apr, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

Consider the following data Heat of combustion of

\mathrm{H}_{2}(\mathrm{g})\quad\quad=-241.8 \mathrm{~kJ} \mathrm{~mol}^{-1}

Heat of combustion of

\mathrm{C}(\mathrm{s})\quad\quad=-393.5 \mathrm{~kJ} \mathrm{~mol}^{-1}

Heat of combustion of

\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(\mathrm{l})\quad=-1234.7 \mathrm{~kJ}~{\mathrm{mol}}^{-1}

The heat of formation of

\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(\mathrm{l})

(-)

___________

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

(Nearest integer).

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Chemical Thermodynamics Question with Answer (6 Apr Evening shift, Q22) | JEE Arc

JEE Main 2023 · 6 Apr, Evening shift · Q22

JEE Main 20236 Apr, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

Consider the following data Heat of combustion of

\mathrm{H}_{2}(\mathrm{g})\quad\quad=-241.8 \mathrm{~kJ} \mathrm{~mol}^{-1}

Heat of combustion of

\mathrm{C}(\mathrm{s})\quad\quad=-393.5 \mathrm{~kJ} \mathrm{~mol}^{-1}

Heat of combustion of

\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(\mathrm{l})\quad=-1234.7 \mathrm{~kJ}~{\mathrm{mol}}^{-1}

The heat of formation of

\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(\mathrm{l})

(-)

___________

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

(Nearest integer).

Your answerType your answer. Integers and decimals are accepted.