To Which One of the Following Reactions, Occurring at 25^oC

question 97

Multiple Choice

To which one of the following reactions, occurring at 25^oC, does the symbol ΔH^o_f [H₂SO₄(l) ] refer?

• A) H₂(g) + S(s) + 2 O₂(g) <-----> H₂SO₄(l)
• B) H₂SO₄(l) <-----> H₂(g) + S(s) + 2 O₂(g)
• C) H₂(g) + S(g) + 2 O₂(g) <-----> H₂SO₄(l)
• D) H₂SO₄(l) <-----> 2 H(g) + S(s) + 4 O(g)
• E) 2 H(g) + S(g) + 4 O(g) <-----> H₂SO₄(l)

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