Electromeric Effect and Electronic Spectroscopy MCQs

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

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1. : Which of the following is the correct statement?



2. : When the complete transfer of π-electrons takes place away from the atom at the requirement of the attacking agent, it is known as what?



3. : The temporary effect brought into play at the requirement of an attacking reagent is:



4. : Which of the following are the positively charged and electron-deficient compounds that have a tendency to form a bond by accepting the electron pair?



5. : The incorrect statement about nucleophiles is:



6. : The example of a Lewis base is:



7. : What do those groups which are electron-repelling and have lesser electron-attracting power than hydrogen show?



8. : The molecule that will show the highest dipole moment is:



9. : What is the electronic spectra in the visible range span?



10. : The position of the band of alkanes is:



11. : _____________ is not an auxochrome group.



12. : The shift that leads to the decreased intensity of absorption is:



13. : The organic compound that shows a transition because of the conjugation is:



14. : If %T = 80, the absorbance is:



15. : The limitation of Lambert-Beer’s law is:



16. : An application of electronic spectroscopy is:



 

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