Part 8:Electronic Transitions in UV-Visible Spectroscopy

In this Video, I have explained the various kind of transitions that one can observe in different types of the molecules.

[@shadab9446]

thank you sir . your lecture was so much helpful .

[@vedsupriya8158]

Great job sir, it's pretty useful to clear basics.🙏🙏🙏

[@prabhchemistrytips803]

Really good👍👍

[@devmunshi6192]

great explanation thank you sir.

[@ramanswami7263]

Very well explained sir.

[@vidhyashree6105]

Wat is the same plane

[@prabhchemistrytips803]

Thanku ......helpful

[@rajshreemishra8477]

Very nice video.. thanks sir..it's very helpful to students

[@TETRAHEDRONCHEMISTRYCLASSES]

Thank you

[@kanikagulati6460]

Nice lecture thanks sir🙏🙏

[@TETRAHEDRONCHEMISTRYCLASSES]

Thank you very much

[@radhakrishnaparia1693]

useful

[@oneandonlyfoodies673]

Is there any intensity order of transition?

[@TETRAHEDRONCHEMISTRYCLASSES]

Factors Affecting intensity are there.

[@soumajitnath5763]

Sir why n->pi* is forbidden transition.and how I can understand that

[@TETRAHEDRONCHEMISTRYCLASSES]

It's a symmetry forbidden transition by Laporte selection rule. According to the rule "electronic transitions that involve a change in the number of unpaired spins are forbidden and, hence, of low intensity". Plz see the video on selection rule given in the UV spectroscopy playlist. Thank you.

[@sahilpokhriyal5211]

Hello sir , if we have 1,3,5 hexatriene in both cis and trans form . How will those both would be differentiated?

[@TETRAHEDRONCHEMISTRYCLASSES]

Duschinsky effect in quantum chemistry is used to differentiate bt these two forms or you can go for NMR spectroscopy where you can have different Coupling constant for cis and trans form.

[@sahilpokhriyal5211]

@@TETRAHEDRONCHEMISTRYCLASSES thanks a lot sir 🙏

[@sahilpokhriyal5211]

@@TETRAHEDRONCHEMISTRYCLASSES btw , sir can it be distinguished by uv spectroscopy too?

[@devadharshini378]

Electronic Transition defenation explain sir pls

[@TETRAHEDRONCHEMISTRYCLASSES]

Electronic transition refers to the movement of an electron from one electronic state to another within an atom, molecule, or ion. This transition involves the absorption or emission of electromagnetic radiation, such as ultraviolet or visible light, which corresponds to the energy difference between the two electronic states. The energy of the radiation is equal to the difference in energy between the initial and final electronic states, and the frequency of the radiation is proportional to this energy difference through the Planck-Einstein relation, E = hν. Electronic transitions play a critical role in many physical and chemical phenomena, such as spectroscopy, photochemistry, and electronics.

[@ritikasoni3490]

Sir , can you tell me which type of transitions are having haloalkanes?

[@TETRAHEDRONCHEMISTRYCLASSES]

Non bonding to other higher level

[@ritikasoni3490]

@@TETRAHEDRONCHEMISTRYCLASSES ok, thank you sir

[@venkatkaluva8811]

Sir can you please explain solvent effects on electronic shifts in UV

[@TETRAHEDRONCHEMISTRYCLASSES]

Sure, will upload on Friday....

[@alirazaaliraza8113]

Sir ap benzene k degenerate and forbidden transition kbare mai bta den he???

[@TETRAHEDRONCHEMISTRYCLASSES]

Plz wait for sometime, I am little busy in evaluation... Will try to answer your query.