It is found that the equilibrium constant increases by a factor of four when the temperature is increased from 27∘C to 47∘C. The value of ΔH∘ is: Take ln2=0.7,log2=0.3,R=253Jmol−1K−1
A
28kJ/mol
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B
12kJ/mol
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C
24kJ/mol
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D
56kJ/mol
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Solution
The correct option is D56kJ/mol Using the equation, ln(Kp)47∘C(Kp)27∘C=ΔHR[1T1−1T2]