The enthalpy and entropy change for the reaction, Br2(l)+Cl2(g)→2BrCl(g) are 7.1kcalmol and 25calK−1mol−1 respectively. This reaction will be spontaneous at:
A
10oC
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B
280K
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C
290K
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D
−5oC
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Solution
The correct option is C290K Using the relation, ΔG=ΔH−TΔS