BITSAT 2023 Shift 1 Paper

Section: Chemistry

Question : 42 of 130

Marks: +1, -0

If enthalpies of formation of C2H4(g),CO2(g) and H2O(l) at 25∘C and 1‌atm pressure are 52 , 394 and −286‌kJ∕mol respectively, the change in enthalpy for combustion of C2H4 is equal to

−141.2‌kJ∕mol
−1412‌kJ∕mol
+14.2‌kJ∕mol
+1412‌kJ∕mol

Validate

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