Which one of the following reactions would you expect to have highest $\Delta$S°? A)CH₄(g)+ 2O₂(g)$\rarr$CO₂(g)+ 2H₂O(g) B)C₂H₂(g)+ ⁵/₂O₂(g)$\rarr$ 2CO₂(g)+ H₂O(g) C)C₂H₄(g)+ 3O₂(g)$\rarr$2CO₂(g)+ 2H₂O(g) D)C₂H₆(g)+ ⁷/₂O₂(g)$\rarr$ 2CO₂(g)+ 3H₂O(g)

Question

Quizplus · Accepted Answer

The reaction in option D has the highest increase in the number of gas molecules from reactants to products, leading to the highest increase in entropy ($\Delta S°$).

Which One of the Following Reactions Would You Expect to Have