🛠️ JEE🧪 Chemistry

If enthalpies of formation of \({C}_{2}{H}_{4}(g),C{O}_{2}(g)and{H}_{2}O(l)at25{C}^{^\circ }and\)1 atm pressure are 52 ,…

Q1

If enthalpies of formation of \({C}_{2}{H}_{4}(g),C{O}_{2}(g)and{H}_{2}O(l)at25{C}^{^\circ }and\)1 atm pressure are 52 , -394 , -286 KJ/mol respectively, the change in enthalpy for combustion of \({C}_{2}{H}_{4}\) is equal to

a

−141.2 kJ ∕ mol

b

−1412 kJ ∕ mol

c

+14.2 kJ ∕ mol

d

+1412 kJ ∕ mol

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