Which of the Following Shows the Reaction Associated with the Standard

question 24

Multiple Choice

Which of the following shows the reaction associated with the standard heat of formation of a compound?

• A)CaO(s)+ CO₂(g)\(\to\) CaCO₃(s)
• B)CO(g)+ Cl₂(g)\(\to\) COCl₂(g)
• C)4 C(s,graphite)+ 4 H₂(g)\(\to\) C₄H₈(g)
• D)F₂(g)+ H₂(g)\(\to\) 2 HF(g)
• E)Cl₂(g)+ 3 F₂(g)\(\to\) 2 ClF₃(g)

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