For the reaction C₂H₆ → C₂H₄ + H₂ the reaction enthalpy Δ r H = _ _ _ _ _ kJ mol⁻¹. (Round off to the Nearest Integer). [ Given: Bond enthalpies in kJ mol⁻¹: C-C: 347, C = C: 611; C-H: 414, H-H: 436 ]

Chemical Thermodynamics: JEE Main 2021 Chemistry question

JEE Main 2021 · 18 Mar, Morning shift · Q22

JEE Main 202118 Mar, Morning shiftChemistryMediumChemical Thermodynamics84× since 2002

For the reaction C₂H₆

\to

C₂H₄ + H₂ the reaction enthalpy

\Delta

_rH = __________ kJ mol^

-

1. (Round off to the Nearest Integer). [ Given : Bond enthalpies in kJ mol^

-

1 : C-C : 347, C = C : 611; C-H : 414, H-H : 436 ]

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Chemical Thermodynamics Question with Answer (18 Mar Morning shift, Q22) | JEE Arc