The enthalpy of formation of ethane (C₂ H₆) from ethylene by addition of hydrogen where the bond-energies of C-H, C-C, C=C, H-H are 414 ~kJ, 347 ~kJ, 615 ~kJ and 435 ~kJ respectively is - _ _ _ _ _ kJ

Chemical Thermodynamics: JEE Main 2024 Chemistry question

JEE Main 2024 · 4 Apr, Morning shift · Q23

JEE Main 20244 Apr, Morning shiftChemistryHardChemical Thermodynamics84× since 2002

The enthalpy of formation of ethane

(\mathrm{C}_2 \mathrm{H}_6)

from ethylene by addition of hydrogen where the bond-energies of

\mathrm{C}-\mathrm{H}, \mathrm{C}-\mathrm{C}, \mathrm{C}=\mathrm{C}, \mathrm{H}-\mathrm{H}

are

414 \mathrm{~kJ}, 347 \mathrm{~kJ}, 615 \mathrm{~kJ}

and

435 \mathrm{~kJ}

respectively is

-

__________

\mathrm{kJ}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2024 Chemical Thermodynamics Question with Answer (4 Apr Morning shift, Q23) | JEE Arc