Conductivity and Conformations MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 22, 2025

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1. : The least stable is __________



2. : The potential energy always remains the same during the rotation about the carbon-carbon of the n-butane.



3. : In the gauche conformations, what are the methyl groups?



4. : Conductivity is defined as the ability to carry which of the following?



5. : The cell constant is defined as the ratio of which of the following?



6. : Which of the following is the reciprocal of conductivity?



7. : The factor at which the conductance of electrolytic solutions depends upon is ____________



8. : What is the energy that is required to rotate the n-butane molecule about the carbon-carbon bond called?



9. : The conformations are different arrangements of atoms that can be converted into one another by rotation about which of the following?



10. : On the dilution, what is the specific conductance?



11. : A specific conductivity reagent is ___________



12. : Which of the following is the internationally recommended unit for conductance?



13. : Which of the following is the correct order of molar ionic conductivities of the following ions?



14. : What are the infinity of intermediate conformations called?



15. : The relative instability of any of the intermediate skew conformations is because of which of the following?



16. : What is the equivalent conductance of 0.1 H₂SO₄ offering a resistance of 50 ohms when placed in a conductivity cell whose electrodes are 1 cm apart with a cross-sectional area of 2 cm² at 25°C?



17. : What does the dilution mean?



18. : The rotation about the (C2 – C3) carbon-carbon bond of n-butane requires how much energy?



19. : The potential energy of n-butane is minimum for which of the following?



20. : The potential energy of n-butane is maximum for which of the following?



21. : The gauche conformation is less stable because of which of the following?



 

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