Stereochemistry – R S Configuration & Fischer Projections

Stereochemistry – R S Configuration & Fischer Projections

This video provides an overview of the stereochemistry of organic compounds and defines what exactly a chiral carbon center is. This video also shows you how to assign R and S configuration to a chirality center whenever the hydrogen (4th group) atom is in the front, back, or neither. It also discusses nomenclature – how to name organic compounds using R and S absolute configuration. It provides a lot of examples and practice problems.

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50 Comments

  1. B Q on November 25, 2021 at 11:04 am

    Atomic number of carbon is 6, not 12

  2. acad vids on November 25, 2021 at 11:07 am

    i love you omygod thanks for saving my 999th chem life

  3. FidgetBoss 4000 on November 25, 2021 at 11:08 am

    1:24 bruh carbon’s atomic number isn’t 12, it’s 6

  4. mai tan phuc on November 25, 2021 at 11:08 am

    Thanks 😍

  5. OriHemI Chan on November 25, 2021 at 11:09 am

    plz someone tell me who to know if the H bonded from the front or behind I can’t decide 😥😥
    and tysm 🖤🖤

  6. Ivy Peoples on November 25, 2021 at 11:11 am

    I know why y’all here 👀 good luck on your exams

  7. TheEva Cz on November 25, 2021 at 11:12 am

    You have my respect sir. You just saved my life.

  8. samter on November 25, 2021 at 11:12 am

    Another incredible video; thanks so much for posting! If the hydrogen (or lowest priority group) isn’t where I want it to be, sometimes I just exchange two groups to make that happen, and remember that that inverts the stereochemistry (R -> S or vice versa).

  9. Jerry Addison on November 25, 2021 at 11:13 am

    20:20 how did you know to look at oxygen first and not the methyl group or the hydrogen?

  10. IoN on November 25, 2021 at 11:13 am

    Man draws illuminati to solve a question gotta love that one

  11. Az3aR Ana on November 25, 2021 at 11:14 am

    Thank you man .. you are away better than my doctor ..
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  12. Alwine Foly on November 25, 2021 at 11:16 am

    Hi chem tutor! How do I identify which group is in the back?

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  14. Mahdi Al Achyar Endriko on November 25, 2021 at 11:20 am

    sorry i think u misplaced the double bond, but its actually good for learning… thanks

  15. KSHITIJ GOYANI on November 25, 2021 at 11:21 am

    at 17:30 there is an another chiral carbon on the left of the double bond

  16. Adelina Rodriguez Zahrt on November 25, 2021 at 11:22 am

    You helped me through calculus and now chemistry! Thank you!

  17. Verona Ademaj on November 25, 2021 at 11:22 am

    Please help me,
    write with structures of Fischer enantiomers of 2 bromopentane?
    (Sorry for my bad English)
    @The Organic Chemistry Tutor

  18. The wise genius on November 25, 2021 at 11:22 am

    you are a unique teacher I have ever faced IN MY LIFE. you are lightening the difficulty of students. keep moving!

  19. Vasu Patni on November 25, 2021 at 11:24 am

    24:30

  20. ki on November 25, 2021 at 11:24 am

    27:40

  21. Sylvanus Akpan on November 25, 2021 at 11:24 am

    Thank you! You’ve taught me a lot more than I can learn from my instructors.

  22. Ayah Fattal on November 25, 2021 at 11:25 am

    Why did I not know about you during my A levels

  23. Tordix on November 25, 2021 at 11:25 am

    21:00 why does the hydroxy group have priority over the bromine? isn’t it dependent on the atomic number of the closest atom to the chiral center, and bromine is much higher than oxygen?

  24. chalammvs on November 25, 2021 at 11:26 am

    Mowa nuvvu thopu

  25. ツ ๖ētຟēēຖツᗪ乂 on November 25, 2021 at 11:29 am

    Mr Jg can you please do a video on pie chart 👍 thank you

  26. izzah shahirah on November 25, 2021 at 11:29 am

    thanks, sir.. i really appreciate your video.. i’ve been watching your vid ever since my 1st sem.. thankfully, previous semester i got an A for my chm.. wishing u a best in health

  27. Joe Burreaux on November 25, 2021 at 11:34 am

    Why does OH have priority over Br? 20:57

  28. Pranith on November 25, 2021 at 11:35 am

    clarified all my doubts thank you sir

  29. samarah lynn on November 25, 2021 at 11:35 am

    20:55 can someone tell me why OH has priority over Br? thanks 🙂

  30. Peter K. on November 25, 2021 at 11:35 am

    This dude has over 3 mil subscribers, no wonder he has no time to respond to any comments. What does he look like? I`ve been searching WORLD WIDE WEB and nothing:/

  31. Janice Goh on November 25, 2021 at 11:38 am

    JG… Joe Goldberg? btw I luv watching your vids thank you so much

  32. ツ ๖ētຟēēຖツᗪ乂 on November 25, 2021 at 11:39 am

    Or do you have any video’s about pie chart

  33. vd mrk on November 25, 2021 at 11:42 am

    Dude thank you so much…

  34. Muyiwa on November 25, 2021 at 11:42 am

    This great. Thank you so much.

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  36. Samarth Rao on November 25, 2021 at 11:46 am

    really speechless to his dedication to us tysm for teaching me so much.ur concepts literally the bar I have set for all the concepts

  37. lekoben 30 on November 25, 2021 at 11:46 am

    Can you give an example of what to do when the H is in the plane. During my ochem class last semester i swear you posted a video with a trick on how to do it but that vid is deleted :(. Now im studying for Mcat and forgot that trick, could you please explain

  38. Abraham Tetteh on November 25, 2021 at 11:48 am

    You’re super amazing ❤️….. God bless you for your good work….

  39. Ashrafi Anjuman Sneha on November 25, 2021 at 11:49 am

    When the group 4 is neither in the front or in the back, can we not look at group 1’s position. If it is in the front, it’s good, if back, reverse?

  40. Vida Saeidi on November 25, 2021 at 11:50 am

    I learn a lot from you. But can u change the colour of background. It hurts my eyes and I get headaches, or maybe it’s because the colour you write with is more shiny. Thank u. 😊

  41. Zack 23 on November 25, 2021 at 11:51 am

    oh my! this really amazing

  42. ツ ๖ētຟēēຖツᗪ乂 on November 25, 2021 at 11:54 am

    Or do you have any video’s about pie chart

  43. The Organic Chemistry Tutor on November 25, 2021 at 11:59 am

    Direct Link to The Full 1 Hour 23 Minute Video:
    https://bit.ly/3sYktse

  44. Anthrax the bacterium on November 25, 2021 at 12:00 pm

    I hope to pass my ochem class with this playlist

  45. Lesedi Twala on November 25, 2021 at 12:00 pm

    10:37 are we not suppose to reverse the Reaction to S configuration since the H comes 4th 🥴🥴

  46. vakalevu vinaka on November 25, 2021 at 12:00 pm

    Thank you so much. Your explanation is simple and clear

  47. Diego L. Rivera on November 25, 2021 at 12:00 pm

    21:49 Why does the hydroxy group have priority over the broom group??

  48. DEMA on November 25, 2021 at 12:01 pm

    you saved my knowledge carrer ♥️♥️ you are the best one , thaaaaaaaaaaaaaaank youuuuuu ❤️

  49. V L on November 25, 2021 at 12:02 pm

    the double bond in cholestrol is not in the right place?

  50. Nicole Rainford on November 25, 2021 at 12:03 pm

    Why does the third example not have a chiral center at the bottom carbon between the two lowest hexanes??????

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