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Hydrogen gas is a non polluting fuel hydrogen gas may be prepared by electrolysis of water. 2 H20 (l) --> 2H2(g) +O2(g) Predict the signs of delta H and Delta S for the production of hydrogen gas by electrolysis of water
a. delta h > 0 and delta S >0
b.delta h <0 and delta S >0
c.delta H >0 and delta S <0
d. delta h <0 and delta s <0
e. delta H=0 and delta s <0

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MissPhiladelphia
I think the correct answer from the choices listed above is option B. The correct signs for delta H and Delta S for the production of hydrogen gas by electrolysis of water would be that delta h <0 and delta S >0. Hope this answers the question.

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