Introduction to Reversible and Irreversible Reactions
Hydrolysis of...
Question
Hydrolysis of sucrose is given by the following reaction. Sucrose+H2O⇌Glucose+Fructose
If the equilibrium constant (Kc) is 2×1013 at 300K, the value of ΔrG0 at the same temperature will be :
A
−8.314Jmol−1K−1×300K×ln(2×1013)
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B
8.314Jmol−1K−1×300K×ln(2×1013)
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C
−8.314Jmol−1×300K×ln(3×1013)
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D
−8.314Jmol−1K−1×300K×ln(4×1013)
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Solution
The correct option is A−8.314Jmol−1K−1×300K×ln(2×1013) The relation between gibbs free energy and equilibrium constat is given by: ΔrG0=−RTlnKcΔrG0=−8.314×300×ln(2×1013) ΔrG0=−8.314Jmol−1K−1×300K×ln(2×1013)
Option (a) is correct