Chemical Thermodynamics Question 305

Question: Which of the following equations correctly represents the standard heat of formation $ (\Delta H_{f}^{o}) $ of methane [UPSEAT 2004]

Options:

A) $ C $ (diamond) $ +4{H_{(g)}}\to C{H_{4,(g)}} $

B) $ C $ (diamond) $ +2{H_{2,(g)}}\to C{H_{4,(g)}} $

C) $ C $ (graphite) $ +2{H_{2,(g)}}\to C{H_{4,(g)}} $

D) $ C $ (graphite) $ +4{H_{(g)}}\to C{H_{4,(g),}} $

Show Answer

Answer:

Correct Answer: C

Solution:

$ {C_{(graphite)}}+2H_2(g)\to CH_4(g) $



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