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Thermodynamics question

2024 · 4 Apr · Shift 1 · Q24
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Thermodynamics question

2024 · 4 Apr · Shift 1 · Q24

JEE MainChemistryThermodynamicsNumerical+4 / −1
The enthalpy of formation of ethane (C2H6)(\mathrm{C}_2 \mathrm{H}_6)(C2​H6​) from ethylene by addition of hydrogen where the bond-energies of C−H,C−C,C=C,H−H\mathrm{C}-\mathrm{H}, \mathrm{C}-\mathrm{C}, \mathrm{C}=\mathrm{C}, \mathrm{H}-\mathrm{H}C−H,C−C,C=C,H−H are 414 kJ,347 kJ,615 kJ414 \mathrm{~kJ}, 347 \mathrm{~kJ}, 615 \mathrm{~kJ}414 kJ,347 kJ,615 kJ and 435 kJ435 \mathrm{~kJ}435 kJ respectively is −-−‾\underline{\hspace{2cm}}​kJ\mathrm{kJ}kJ
Numerical answer
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