Which of the following reactions will have the largest increase in entropy?

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

Which of the following reactions will have the largest increase in entropy? (1) C2H5OH(l)→C2H4(g)+H2O(l)\text{C}_2\text{H}_5\text{OH}(\text{l}) \rightarrow \text{C}_2\text{H}_4(\text{g}) + \text{H}_2\text{O}(\text{l}) (2) C(s)→C(g)\text{C}(\text{s}) \rightarrow \text{C}(\text{g}) (3) H2O(l)→H2O(g)\text{H}_2\text{O}(\text{l}) \rightarrow \text{H}_2\text{O}(\text{g}) (4) C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l)\text{C}_2\text{H}_5\text{OH}(\text{l}) + 3\text{O}_2(\text{g}) \rightarrow 2\text{CO}_2(\text{g}) + 3\text{H}_2\text{O}(\text{l})

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