ThermochemistryHard

Question

Among the following the reaction for which ΔH = ΔE is

Options

A.PCl5(g) → PCl3(g) + Cl2(g)
B.H2(g) + Cl2(g) → 2HCl(g)
C.C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g)
D.C2H4(g) + H2(g) → C2H6(g)

Solution

For $\Delta H = \Delta E,\Delta n_{g} = 0$

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