you deserve a trophy for your teaching

I swear I've read it a 100 times and now i came to know what the concept actually is.. Thank you Andre sir

Thank u ...u r one of the few teachers I have found who has crystal clear knowledge of the topic they cover..

Great work there Andrey, keep it up! Thank you so much, you really did help me out many times ;)

Concise with all the needed infromation . Love the quality

You are amazing! I am a college freshman and I love your style of teaching. Keep teaching us and our learning won't stop in this pandemic.

i really appreciate that, thanks.

Thanks for the video. Summarised and informative.

Very grateful for your clear and simple explanation of what used to be a complicated topic for me! Thank you!

@AKLECTURES

10 жыл бұрын

Great to hear Caleb!

Thank you Adnan. Glad it helped :)

Thanks!

great video, helped me to understand a lot. Thanks :D

Thank you, great explanation

Thank you :)

Excellent Explanation !!!

i want to thank you SO MUCH for this sir!, i loved this

thanks for the videos I am in preparation of my exam... very beneficial videos. THANKS

Very nice video ! clear and nice explanation !

Thank you ! This is an excellent video that simplifies a concept my teacher struggles to teach and have us understand. It was poorly explained in my textbook and you clarified so many aspects! Great work.

@brooklock8867

5 жыл бұрын

Why one anantiomer rotate light in one direction and the other enantiomer rotatae in another direction

Thank you very much...good teacher..good work..💜

Thnks sir! An excellent video lecture!! 😊

Awesome!

Thank you so much sir...your explanation helped me a lot..

brilliant ..brilliant .. brilliant 👏👏

Good job at explaining such concept, I like that your videos short and to the point, keep them up... Thanks

@AKLECTURES

10 жыл бұрын

fenash1 You're welcome! :-) and thank you!

You're an amazing teacher! Thank you! =D

@AKLECTURES

10 жыл бұрын

Thank you for the kind words Sandy! Awesome to see you're finding my lectures useful :)

thanks Andrey!

thank you!

Thank you so much ❤️

Nicely presented

you are a great teacher sir.

thank you very helpful

wow thank you!

Thank you sir🤍

OMG YOU R GOOD!! I UNDERSTAND EVERYTHING NOW OMG OMG THANKS!!

@AKLECTURES

10 жыл бұрын

Thats awesome Lena :) Im glad!

thanks a lot sir :)

Great video. Thanks!

@AKLECTURES

10 жыл бұрын

Thanks Bryan!

thanks

good explanation sir :)

you are freaking awesome!!!! thank you sir!

@AKLECTURES

10 жыл бұрын

lol thanks Cai! :)

Lucid presentation.

عاش اوي ..هداك الله

Thank you

thank you

but; how does it do it? meaning how does the molecule rotate the photon.

thank you sir

Thank you so much. Great explanation ^_^

@AKLECTURES

10 жыл бұрын

Thanks Lulu! Glad you thought so! :)

Thhhhhhhhhhhhhhhank you😍

very gud biochyme teacher thnk u so much u made my work easy god bless

@AKLECTURES

10 жыл бұрын

thank you!

thanks for the video!

@AKLECTURES

9 жыл бұрын

Tim van Zoeren You're welcome Tim

@catherineassenga736

7 жыл бұрын

+AK LECTURES (Andrey K) hellow lecture

bless you

thx

Thankssssssssss❤❤❤❤❤❤❤❤❤

omg because of you i got a B on a orgo exam thank you so much

@AKLECTURES

9 жыл бұрын

Riad Congratulations! :-D Keep up the good work!

arghhhh this is too much XO this vid saves my life!

@AKLECTURES

9 жыл бұрын

Thranduil Oropherion lol awesome!! :-)

@mr.melomaniacnextdoor6840

8 жыл бұрын

+Thranduil Oropherion where is mithrandir? xD

@thranduiloropherion7756

8 жыл бұрын

maybe u should ask legolas :D

@mr.melomaniacnextdoor6840

8 жыл бұрын

legolas told ask thranduil :/

Why is the optical activity of a molecule important? Why real life application do we use it for? Thanks for the video!

How the molecule rotate light in atomic or subatomic level

Please I need examples of dextrorotatory drugs and levorotatory drugs. Thanks

wow😊

Thanks for the video, but I still don't get why it always rotates it like this. I mean, say 4 in the picture drawn is an oxygen with a dense electric field, wouldn't the electric field rotate towards us, coming out of the white board, for both molecules? I get that the rotation happens, I just don't understand the physics of how and why this rotation happens.

@shavezmalick9689

7 жыл бұрын

this may help : physics.stackexchange.com/questions/15503/how-do-optically-active-compounds-rotate-plane-polarized-light

👍

great video..but. what if the optical rotation of a given mixture is 0 degrees

@sadiem6758

6 жыл бұрын

That means they both rotate with the same magnitude just in the opposite direction. This would make it Racemate and not optically active.

Very helpful!! BUT, I am struggling with one thing... Per the molecules you have drawn: (+) optical activity is associated with R absolute configuration, and (-) optical activity is associated with S absolute configuration; is this always the case? How do optical activity and absolute configuration relate to one another ?

@AKLECTURES

10 жыл бұрын

No, that is not always true - in fact, it can be reversed for another pair of enantiomers. For other enantiomers, the R is (-) and the S is (+). There is no way of knowing whether the R rotates the light in the clockwise or counterclockwise direction without being told that information (or without obtaining it yourself from some experiment).

@samadismybitch

10 жыл бұрын

Thank you very much :]

@AKLECTURES

10 жыл бұрын

Any time :)

yo man!! im from india in 10th grade i love your videos. you should team up with khan academy.......!!!

@AKLECTURES

10 жыл бұрын

Thanks! 10th grade and watching organic chemistry lectures? You're on your way to becoming absolutely brilliant :)

@MrJassirocker

10 жыл бұрын

thanks man!! dont give up ur doing good to people around the world...

does the molecule have to be chiral to be optically active?

@TheFidelRF

8 жыл бұрын

+Markie Quintana achiral molecules dont have optical activity

Sir why chiral molecules are active??.....plzzzzz

hey don't u find it hard to comment on so many replies !!! anyway s wonderful effort

woah idk

Why cant my teacher teach like this

Thank you

thanks