Ortho/Meta/Para Directors

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  • Опубліковано 3 січ 2015
  • What's this ortho/meta/para business you've been hearing so much about? Why is benzene ruining your life? Don't worry, 16 minutes or so from now it will all make sense. From directing groups to activating and deactivating groups. It has to do with electron donating groups and electron withdrawing groups.
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КОМЕНТАРІ • 369

  • @songohan393
    @songohan393 4 роки тому +179

    I almost cried out of happiness because I found your chanel

  • @cristiannaxi4990
    @cristiannaxi4990 8 років тому +353

    Jesus can teach me ochem any day

  • @Raphael-ql9pf
    @Raphael-ql9pf 3 роки тому +43

    4:54 Ortho para directing
    6:37 meta directing

  • @gauravpandey6061
    @gauravpandey6061 7 років тому +82

    how can someone be this clear? I mean it was so easy to understand as if I know it already

  • @thepausebrake3223
    @thepausebrake3223 4 роки тому +53

    Yeah yeah i know i'm 4 years late but still dude. Your videos are making my study sessions easy. I recomended you and your channel to everyone in my class. We are all grateful. Keep up the awesome work, cheers from Turkey

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      I'm two years later but I feel the exact same way!

  • @patrickbrusberg886
    @patrickbrusberg886 8 років тому +75

    You explain great. I'm from Germany and I'm learning for the abitur. There are no good german videos about this topic, so i decided to watch yours, and i understood everything. Thanks !

    • @Lumax96
      @Lumax96 7 років тому +1

      holy shit, didnt know stuff like that is needed for the chemistry abitur. have to study this for ochem at university (biology) and i actually think its pretty hard...only had chemistry lessons until 10th grade though

    • @j.liddle7580
      @j.liddle7580 4 роки тому +2

      Same bro, I feel you.

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      @@Lumax96 How'd your university classes go?

    • @Lumax96
      @Lumax96 2 роки тому +1

      @@PunmasterSTP ok after all. physical chem really effed me over, twice actually, but I finished my bachelors in 2020 :)

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      @@Lumax96 I'm glad to hear you got your degree! I took PChem too, and it was a beast.

  • @matthewbarnett3540
    @matthewbarnett3540 6 років тому +10

    Dude. you have a gift to make this seemingly daunting chemistry to be so damn easy.

  • @malinipatel7390
    @malinipatel7390 8 років тому +2

    Midterm on Monday, did not pay attention in lecture. These videos are the most concise, info packed, and easy to follow than a lot of other videos. Thank you so so much for helping me get back on track!

  • @mandarin42
    @mandarin42 3 роки тому +29

    Thank you so much - once again, you've made a complex topic so clear. I love augmenting my class material with your videos. and they've been a lifesaver!

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      I'm just curious; how have your classes been going?

  • @kristinarodriguez3
    @kristinarodriguez3 7 років тому +42

    Thankful for people like you who take the time to make these kinds of videos 🙏🏻

  • @karleedavidson7422
    @karleedavidson7422 2 роки тому +5

    So clear and concise. Again, thank you so much for making these videos. I can't explain how helpful they have been!

  • @deciolima1297
    @deciolima1297 7 років тому +7

    By far the best explanation on this subject. Keep up the good work. Cheers!

  • @limalumalumi
    @limalumalumi 8 років тому +77

    people like you make the world go round.... i got a orgo test in 10 hours and still learning muahahahaha

    • @alphagonist4748
      @alphagonist4748 4 роки тому +4

      @Kim Clack asking after almost 2.5 years.hahahahahahahaha

    • @kypdo1713
      @kypdo1713 4 роки тому +2

      @@alphagonist4748 He must remember, if it was a college degree he would remember if he got it or no xd

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      Hey how'd your exam go?

    • @PunmasterSTP
      @PunmasterSTP 2 роки тому

      @@alphagonist4748 Haha, I just asked him five years after he wrote that comment!

    • @alphagonist4748
      @alphagonist4748 2 роки тому +1

      @@PunmasterSTP nice

  • @WaverlyRose
    @WaverlyRose 8 років тому +5

    This video is so informative and has been so helpful! Please keep up the good work! You are making a huge difference!

  • @emmanuelayanjoke6653
    @emmanuelayanjoke6653 8 років тому +3

    This is so explanatory... I wish I found this explanation earlier. Keep up the awesome job!!!

  • @natesantos6510
    @natesantos6510 8 років тому +29

    I wish you were my chem prof. in college. Awesome job!

  • @zayrael
    @zayrael 3 роки тому +1

    THANK YOU PROFESSOR DAVE this video explained this better than the past couple lectures I've had!! You're a life and grade saver, thanks for all your amazing hard work!

  • @KukiRoxx
    @KukiRoxx 8 років тому +12

    So helpful! such clear explanations :D amazing work sir! thank you.

  • @dujonedwards2810
    @dujonedwards2810 9 років тому +1

    This video is the most lucid I've seen on the topic, thank you very much.

  • @moneyculture
    @moneyculture 4 роки тому +1

    Simple, concise yet in-depth explanation of a difficult-to-grasp topic. Thanks for the much needed help (again). :)

  • @_AkashKumar
    @_AkashKumar 5 років тому

    I always had confusion about this topic. Nobody had ever. Explained this in so simple manner . Loved the fantastic and concise explanation. Now I am able to solve opm directors very easily. Thanks a lot.

  • @SmthngInTheWayyy
    @SmthngInTheWayyy 6 років тому +2

    probably the best video i've seen till now...learnt the whole concept,,very thnkfull😊

  • @escherichiacoli6702
    @escherichiacoli6702 3 роки тому +2

    Professor Dave, I love you♥️
    This stuff kept on confusing me since 3 years and today boom! I'm all clear with concepts 💪

  • @court7694
    @court7694 8 років тому +3

    I am so thankful you have all of these videos! Trying to study for my organic two final and you are very clear and the reactions are starting to make sense. You're awesome!

  • @dineshranawat449
    @dineshranawat449 8 років тому +5

    we r just blessed to have you..... keep it up.....

  • @renegonzalez21
    @renegonzalez21 2 роки тому

    best video on the concept I have seen!!! And I have been going through videos for hours now..... thank you so much prof. Dave

  • @aniruddhasharma3032
    @aniruddhasharma3032 4 роки тому +29

    Thank you sir for these organic chemistry classes . It is very helpfull during this lockdown periods..
    From India

  • @jonathansanchez8802
    @jonathansanchez8802 3 роки тому

    Thank you for taking the time to make all your videos!

  • @rishavrah7390
    @rishavrah7390 7 років тому +4

    thanks sir you make organic chemistry so logical and easy to understand

  • @arshiyamasood807
    @arshiyamasood807 6 років тому +1

    The best explanation so far on this topic!! Thanks a lot!

  • @oliverchen7480
    @oliverchen7480 8 років тому +2

    This video makes organic chemistry so much sense!!! Wow!!

  • @oa3255
    @oa3255 4 роки тому

    Thank you good sir.. have been struggling with this concept all day but now I get it thanks to you!

  • @gisellerojas5861
    @gisellerojas5861 4 роки тому +1

    Thanks for your videos !! I passed my orgo test last semester by watching all your videos for my final .. I have no idea how but I did !! And now I’m watching your videos for my midterm tomorrow :) thank you :) & I love your little jingle !!! It’s so cute !! :)

  • @kzkaa.
    @kzkaa. Місяць тому +1

    9 years later, this video saved my life

  • @sabrinazapfe3694
    @sabrinazapfe3694 Місяць тому

    Watched it three times but finally got it!! Thank you so much Dave

  • @zero-one3599
    @zero-one3599 Рік тому

    thanks prof. dave you really make it easy to understand ...

  • @beltidemensah6525
    @beltidemensah6525 3 роки тому

    I have a exam tomorrow and I was pretty unsure of this topic until I watched your video. Thank you so much!!1

  • @MrPavanravikiran
    @MrPavanravikiran 8 років тому +2

    Great work! thanks fa clearing my doubts ..

  • @girishsareen017
    @girishsareen017 9 років тому +3

    you r doing greaaaat work sir....awesome explanation...a lot of respect for u sir

  • @daniellafernandes5973
    @daniellafernandes5973 8 років тому +4

    I am so glad I finally understood this! 🤘

  • @Ankitekwari
    @Ankitekwari 7 років тому +1

    You are amazing sir... completely rocked the explanation..thanks for making such videos

  • @ameermahadi9518
    @ameermahadi9518 3 роки тому +1

    you are a great teacher,thanks for ur classes

  • @PatrickPallagi
    @PatrickPallagi 9 років тому +1

    It's a great video! It even helped me in a chemistry competition ! Thank you very much for sharing the knowledge with us!

  • @BarragePker6
    @BarragePker6 8 років тому +6

    Dave you are a legend thank you so much.

  • @namratakhoth8362
    @namratakhoth8362 7 років тому +36

    u r fantastic sir..deserve more subscribers

    • @serene9532
      @serene9532 5 років тому

      wait but how do you have 200+ subscribers? you have no videos haha

  • @bellee2634
    @bellee2634 6 років тому +2

    Absolutely brilliant! Thank you so much!!!!!

  • @quinnpuffer7901
    @quinnpuffer7901 Місяць тому

    Great helpful video, thank you Pro Dave

  • @IndianaMercury
    @IndianaMercury 8 років тому +1

    THANK YOU SO MUCH! :)
    I hope you create videos about Biochemistry next time. That'd be great!

  • @leleq8088
    @leleq8088 7 років тому +2

    Thank you so much prof. it was really good lucture.. I have organic chemistry exam tomorrow and that was really useful 😊. .

  • @BIAKANOORWorld
    @BIAKANOORWorld 5 років тому

    You never fail to correct my mind

  • @abdulmajeedhashem6503
    @abdulmajeedhashem6503 8 років тому +1

    Thanks a lot! Really helping us all out.

  • @matthewbrown3082
    @matthewbrown3082 3 роки тому

    Going to be honest, I've seen these videos recommended in the past and I never clicked on them because of that cheesy grin in the thumbnail. Man, have I been missing out. This video was great. Keep being awesome Professor Dave.

  • @frederikmichale9889
    @frederikmichale9889 8 років тому +2

    well explained, thank you

  • @miriamramos8873
    @miriamramos8873 5 років тому

    Thank you so much for all your hard work at explaining.

  • @ketulmevada4593
    @ketulmevada4593 5 місяців тому

    Thank you sir for this easily understandable explanation

  • @karlfischer6250
    @karlfischer6250 2 місяці тому

    very clearly described video - thanks!

  • @Thaumius
    @Thaumius 5 років тому

    had my organic final yesterday, it went well, thanks for the tutorials

  • @talben-yishai7294
    @talben-yishai7294 6 років тому +1

    why is it that you're better than my professor? THANK YOU

  • @musfiqurrahman7191
    @musfiqurrahman7191 8 років тому +3

    thanks professor it helps me a lot :)

  • @mairaaaaisdumbbb
    @mairaaaaisdumbbb 3 місяці тому

    9 years later still extremely helpful

  • @malihaislam540
    @malihaislam540 4 роки тому

    This was very helpful. Thanks a ton

  • @jonBrazilian
    @jonBrazilian 8 років тому +1

    thank you sir! i m subscribing right now :) keep up with the great work

  • @gacha_snowflake9398
    @gacha_snowflake9398 8 років тому +1

    I had to miss class and I was able to catch up with this! thanks so much #lifesaver

  • @Blessed_and_Stylish
    @Blessed_and_Stylish 11 місяців тому

    thanks a lot prof Dave!

  • @moburco9119
    @moburco9119 8 років тому +1

    Thanks Sir for helping, i understood more about this Chap

  • @carmencristina184
    @carmencristina184 9 років тому +2

    You're awesome! Thank you so much

  • @beAfatCAT
    @beAfatCAT 7 років тому +2

    Tooooooo helpful for my exam in 3 days on my birthday !!!!!

  • @Leander_
    @Leander_ 7 років тому +1

    Fantastic video, thanks.

  • @5Ronza
    @5Ronza 8 років тому +1

    thank you so much! this was very helpful, really!
    I wish you were my organic professor...

  • @elisasalas7777
    @elisasalas7777 3 роки тому

    i really didnt understand online lessons but you explain very well thank youuu

  • @roger7392
    @roger7392 2 роки тому

    this is amazing, you made learning chemistry fun again for me.

  • @yvonnemoreno8805
    @yvonnemoreno8805 3 роки тому

    Have been watching your videos since Ochem 1 (this past summer) I'm so happy you have these! It's just a lot easier to conceptualize than just reading from the book. It just doesn't stick that way for me.

  • @casualcasual1234
    @casualcasual1234 3 роки тому +3

    Hello, why weak activating groups like alkyl groups still wins strong deactivating groups like R-NO2?

  • @ranjusubedi4098
    @ranjusubedi4098 3 роки тому

    Thank you very much for ur wonderful Video.

  • @sohanchoudhary1744
    @sohanchoudhary1744 3 роки тому

    I Understood it very nicely thank you professor.

  • @krunalbaria3334
    @krunalbaria3334 2 роки тому

    Thanks Dave 😊

  • @mosuputsasuzanne3905
    @mosuputsasuzanne3905 5 років тому

    Thanks a lot Prof

  • @charishashyamsukha6501
    @charishashyamsukha6501 6 років тому +1

    amazing explanation...

  • @thembelihlembayimbayi7152
    @thembelihlembayimbayi7152 7 років тому +3

    Thank you very much,Sir :)

  • @teneoaristocrata3270
    @teneoaristocrata3270 3 роки тому

    Very helpful. Thanks

  • @kabirjain8401
    @kabirjain8401 5 років тому

    thanx, prof Dave.... wonderful lecture

  • @yp2975
    @yp2975 7 років тому

    Very helpful-Thanks

  • @irenevitali5662
    @irenevitali5662 4 роки тому

    Thank you sssoooo much! You’re so clear and fast

  • @rajivsupra2011
    @rajivsupra2011 7 років тому +2

    wow this blew my mind, i understand now,

  • @JS-vo6go
    @JS-vo6go 6 років тому

    Great explanation!!

  • @sureshdrim
    @sureshdrim 6 років тому +1

    Awesome as always...

  • @jacksonfontaine8697
    @jacksonfontaine8697 6 років тому +1

    Professor Dave is my savior

  • @farnooshjalili2440
    @farnooshjalili2440 3 роки тому

    Awesome very informative 🙏🏻

  • @lesliequa2460
    @lesliequa2460 8 років тому +1

    Thank you so much!!!

  • @netdaefbigfan900
    @netdaefbigfan900 4 роки тому

    Thank you 😊

  • @neurf99
    @neurf99 8 років тому +1

    Great video!

  • @shwethahs370
    @shwethahs370 8 років тому +2

    Great man.

  • @rittenbrake1613
    @rittenbrake1613 6 років тому

    GOOD , just GOOD and CLEAR

  • @user-hs9to3cx5z
    @user-hs9to3cx5z Рік тому

    thank god sir god bless you for saving my organic chemistry

  • @generalchargessense3107
    @generalchargessense3107 5 років тому

    He has earned my subscription

  • @patriciaadeoye9374
    @patriciaadeoye9374 Рік тому

    Thank you

  • @mahinvasavada2992
    @mahinvasavada2992 4 роки тому

    Thanks!

  • @hannahurofsky3446
    @hannahurofsky3446 Рік тому

    So helpful I was completely misunderstanding this concept

  • @oviyanaresh5775
    @oviyanaresh5775 7 років тому +4

    hello sir , your video's​ are great.all students don't get good teachers... but thank God I have got one...😄😂😂😇🙆👌👍👏👑

  • @JuiceBoxBoiii
    @JuiceBoxBoiii 6 років тому

    Thanks! This was great