Enthalpy of which of the following reactions does not represent the st – InterviewSolution

1.	Enthalpy of which of the following reactions does not represent the standard enthalpy of formation?
Answer» `H_2(g)+FRAC{1}{2}O_2(g)rightarrow H_2O(L)` `H_2(g)+Br_2(l)rightarrow 2HBr(g)` S(rhombic, s) + `O_2(g)rightarrowSO_2(g)` 2C (graphite, s)+`3H_2(g)+frac{1}{2}O_2(g)rightarrow C_2H_5OH(l)` Answer :B

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