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A straight line having a slope of -ΔUo / R is obtained in a plot between :
- a)In (Kp) versus T
- b)In (Kc) versus T
- c)In (Kp) versus 1/T
- d)In (Kc) versus 1/T
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A straight line having a slope of -ΔUo / R is obtained in a plot ...
Explanation:
The slope of a straight line in a plot between two variables can provide important information about the relationship between those variables. In this case, we are given that the slope of the line is -Uo / R. Let's explore what this means for each of the given options.
Option A: In (Kp) versus T
- This option involves plotting the natural logarithm of the equilibrium constant for a reaction (Kp) against temperature (T).
- The slope of the line would be related to the activation energy of the reaction, not -Uo / R.
Option B: In (Kc) versus T
- This option is similar to Option A, but uses the equilibrium constant expressed in terms of molar concentrations (Kc).
- Again, the slope of the line would not be related to -Uo / R.
Option C: In (Kp) versus 1/T
- This option involves plotting the natural logarithm of Kp against the inverse of temperature.
- The slope of the line would be related to the enthalpy change of the reaction, not -Uo / R.
Option D: In (Kc) versus 1/T
- This option is similar to Option C, but uses Kc instead of Kp.
- The slope of the line would be related to -Uo / R, which is the ratio of the activation energy to the gas constant.
Conclusion:
Therefore, the correct answer is Option D, as it is the only option where the slope of the line is related to -Uo / R.
The slope of a straight line in a plot between two variables can provide important information about the relationship between those variables. In this case, we are given that the slope of the line is -Uo / R. Let's explore what this means for each of the given options.
Option A: In (Kp) versus T
- This option involves plotting the natural logarithm of the equilibrium constant for a reaction (Kp) against temperature (T).
- The slope of the line would be related to the activation energy of the reaction, not -Uo / R.
Option B: In (Kc) versus T
- This option is similar to Option A, but uses the equilibrium constant expressed in terms of molar concentrations (Kc).
- Again, the slope of the line would not be related to -Uo / R.
Option C: In (Kp) versus 1/T
- This option involves plotting the natural logarithm of Kp against the inverse of temperature.
- The slope of the line would be related to the enthalpy change of the reaction, not -Uo / R.
Option D: In (Kc) versus 1/T
- This option is similar to Option C, but uses Kc instead of Kp.
- The slope of the line would be related to -Uo / R, which is the ratio of the activation energy to the gas constant.
Conclusion:
Therefore, the correct answer is Option D, as it is the only option where the slope of the line is related to -Uo / R.
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Community Answer
A straight line having a slope of -ΔUo / R is obtained in a plot ...
According to arhenius equn..K=Ae^-E/RTTaking natural logarithmic of both sidelnk=lnA-E/RTOr lnkc=lnA-deltaU/RTSo graph b/w ln(kc) and 1/T gives Slope =-deltaU/R and intecept =lnA
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A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer?.
A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A straight line having a slope of -ΔUo / R is obtained in a plot between :a)In (Kp) versus Tb)In (Kc) versus Tc)In (Kp) versus 1/Td)In (Kc) versus 1/TCorrect answer is option 'D'. Can you explain this answer?.
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