Haloalkanes and Haloarenes | Class 12 (L4) | Stereochemistry of NSR | JEE | NEET

Поделиться
HTML-код
  • Опубликовано: 16 янв 2025

Комментарии • 276

  • @Centralistadda
    @Centralistadda 3 года назад +135

    Sir using sound absorbing panels will help you to improve your content as there is so much echo in your sound.

  • @amarjyotichawla5888
    @amarjyotichawla5888 2 года назад +44

    Very interesting way of concept building. A lot of effort must have been put up at the back end. GOD bless You Sir!

  • @vip_earning_yt
    @vip_earning_yt Год назад +16

    Sir a big salute from the bottom of my heart....all the topics are crystal clear now ❤️🥺

    • @Niru_24105
      @Niru_24105 8 месяцев назад

      14:20 sir said "racemisation hoga" but Br Jahan se niklega wahan toh repulsion feel hoga na? So how can the product be equimolar

  • @Luneluxure21
    @Luneluxure21 Год назад +24

    Thank you sir for making my chemistry concepts strong!! I wasted my +1 and now my concepts were so weak but you came like sunshine after thunderstorm making me fall love with chemistry. Thank you so much sir . May krishna bless you 💜

  • @CHINU233
    @CHINU233 Год назад +33

    2:25 lecture starts

  • @parasyadav8065
    @parasyadav8065 Год назад +9

    Don't know what to say but while you teach i never get distracted. . Efforts 💪⭐

  • @shivaaybasu8417
    @shivaaybasu8417 3 года назад +23

    Your smile has a very positive vibe sir... Thank you sir, for you i am becoming a better aspirant day by day.

  • @varsharanisawant1214
    @varsharanisawant1214 Год назад +4

    Best lectures on nucleophilic substitution.....💯

  • @haha-go8ve
    @haha-go8ve 3 года назад +4

    Pankaj Sir God of Chemistry

  • @rajnimehta4648
    @rajnimehta4648 9 месяцев назад +9

    Hmari chem me nayiyaaa par lgane ke liye hi krishna ne pankaj sir ko dharti pe bheja.....😀🤍 May you always blessed sirr...

    • @Lee_doesnot_know
      @Lee_doesnot_know 5 месяцев назад

      Who is Krishna?

    • @Med_SwaYam
      @Med_SwaYam 4 месяца назад

      ​@@Lee_doesnot_know Your Ancestor's God

    • @SeemaSingh-ic2rj
      @SeemaSingh-ic2rj 2 месяца назад

      ​@@Lee_doesnot_knowhe is talking about almighty

  • @baidyanathhansda2369
    @baidyanathhansda2369 2 года назад +10

    Substitution nucleophilic bimolecular mechanism there is
    (a) Partial inversion (b) complete recemization
    tc)Complete inversion (d) Partial inversion and mostly recemization

  • @manpreetraj9190
    @manpreetraj9190 3 года назад +2

    Aapke pdane ka trika bahut aacha lgta h sir

  • @satyammaurya4578
    @satyammaurya4578 3 года назад +6

    Sir physics wallah ke platform par jee dropper batch launch Kab hoga please bataiye 🙏🙏🙏

  • @JEEIISER
    @JEEIISER Год назад +7

    43:35
    sir I dont think there would be inversion since carbon is not chiral.

  • @shaistakhan6937
    @shaistakhan6937 10 месяцев назад +2

    Thank you so much sir ❤❤❤

  • @letsgeteducated1939
    @letsgeteducated1939 11 месяцев назад +2

    Thankyou sizzi sir ❤❤❤❤❤❤❤❤❤

  • @choudharysatish1701
    @choudharysatish1701 Год назад +2

    U Are best teacher

  • @rashidsiddiqui4502
    @rashidsiddiqui4502 3 года назад +7

    Sir jo apne half life wala question hw mein diya tha, wo solve nahi ho raha
    Plz zz help

  • @yogeshkhote4900
    @yogeshkhote4900 9 месяцев назад +12

    NEET 2024 🔥

  • @hisha0901
    @hisha0901 3 года назад +7

    Sir big fan 😍😍😍😍

    • @hisha0901
      @hisha0901 3 года назад +1

      @prapti singh online padhate hai, Physics Wallah platform pr

  • @DhairyaFofariya
    @DhairyaFofariya Год назад +2

    Sir 7th question mai carbocation resonance mai jaaega to sirf SN1 nahi hoga kya?

  • @user-nf7rc6wt8g
    @user-nf7rc6wt8g 4 месяца назад +2

    32:00 carbon chiral nhi hai toh inversion kyu kr rhe hai?

  • @Susobhandua
    @Susobhandua 3 года назад +2

    Sir you plz take our regular classes and cmplt our syllabus for NEET 2021 as soon as possible

  • @Trenyking.7885
    @Trenyking.7885 6 месяцев назад +2

    43:45 sir ye carbon toh achiral hai na toh yaha kyu aapne inversion kiya hai

  • @SanjayKumar-vi3eo
    @SanjayKumar-vi3eo Год назад +2

    44:05 mein achiral hai still inversion kyun kia????
    Simply replace cl with SH

    • @inderjeetkaur6251
      @inderjeetkaur6251 Год назад

      Achiral nhi hai
      Isomerism mein padhaya tha ki ring mein chiral carbon kis case mein hoga
      I suggest AAP wo wala video dekh lena.

  • @aspirant2167
    @aspirant2167 Год назад +5

    The man !!!!from different galaxy❤❤

  • @harshinikirubanand1781
    @harshinikirubanand1781 3 года назад +6

    SN2 mein inversion or retention kab lagana hein sir? this part isnt clear for me.

    • @opgupta7686
      @opgupta7686 3 года назад +3

      Jb alkyl halide wala carbon CHIRAL h tb inversion hoga.. uske alawa agr alkyl halide h toh retention or inversion koi bhi ho skta h

  • @rachalgupta8910
    @rachalgupta8910 3 года назад +2

    Pankaj sir to bhut badiya pdata h Sachin rana sir ne udtey ve pdaya unacademy pe Puri barbad Kar di MERI organic

  • @jatinsharma370
    @jatinsharma370 6 месяцев назад +5

    ❤❤❤ best lecture

  • @manishkumarsah143
    @manishkumarsah143 3 года назад +4

    Sir please reply alchohal, phenol ether kb krwaoge aap🙏🙏🙏🙏

  • @aayeshachouhan944
    @aayeshachouhan944 2 года назад +4

    You r best teacher sir☺️😊

  • @pushkarkulkarni5117
    @pushkarkulkarni5117 3 года назад +6

    Sir aapne ye toh bata diya ki organic ke liye Paula Bruice+Peter Sykes+Clayden karna hoga. Toh please ye bhi bata dijiye ki ye kis tarah se padhna hai..... I mean ki pura book pdhna hai ...ya selected topics/chapters pdhna hai .....kitna time dena hai...Kyuki sir agar ye teeno books entirely complete krne beth jaye toh ek saal nikal hi jayega aur😅
    Dhanyavaad sir ❤🙏

  • @nehachoudhary2560
    @nehachoudhary2560 2 года назад +1

    Best lacture sir ji♥

  • @parmaramrutsinhvajesinh9189
    @parmaramrutsinhvajesinh9189 3 года назад +3

    SIR THANK YOU VERY MUCH 😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊

  • @pragyansinghrajput3099
    @pragyansinghrajput3099 3 года назад +3

    Clss Notes kahan h?
    Description me link open nahi ho rahi

  • @ankitkumarjha692
    @ankitkumarjha692 3 года назад +4

    Sir please Neet previous year questions karva dijiye har chapter ka 🙏🙏🙏🙏🙏🙏

  • @MdSohail-on9dr
    @MdSohail-on9dr 3 года назад +1

    Sir naya batch kab se start hoga RUclips me jee 2022

  • @samarthkesarwani4588
    @samarthkesarwani4588 Год назад +2

    Sir SN1 par inversion jyda hoga as compared to retention!

  • @harshilbhardwaj989
    @harshilbhardwaj989 2 месяца назад +2

    31:00 sir, its not a cc

  • @a.j6593
    @a.j6593 3 года назад +6

    At 43:22 how inversion took place as there is no chiral carbon

  • @akashsingharoy5368
    @akashsingharoy5368 3 года назад +3

    Love you sir and lots of respect

  • @sanidhyasharma6460
    @sanidhyasharma6460 2 года назад +2

    "🙏✌God of chemistry "✌🙏

  • @hemantchouhan8717
    @hemantchouhan8717 Год назад +1

    Pankaj sirrrrrrrr is a legend 🙏🙏🙏🙏🙏🙏🙏🙏💯💯💯💯💯💯💯❤❤❤❤❤❤❤❤

  • @ayushkanoujiyaiit-ism9803
    @ayushkanoujiyaiit-ism9803 3 года назад +1

    arre sir lekin invesion kyun hua at 27:44 par kyun kyun kyun kyun how can you decide it give reason pls sir

  • @smritichandra9528
    @smritichandra9528 Год назад +2

    50:08 pe jo 1st question h usme Carbon chiral nhi h to sn1 kaise?

    • @tistadey7153
      @tistadey7153 Год назад +1

      Chiral carbon hone pe retention or inversion depend karte hain Sn1 SN2 nahi

  • @NinjaPlays16
    @NinjaPlays16 4 месяца назад +2

    Sir ham logo ko kaise pata chalega ki retention ki inversion

  • @bibhuduttapanda1432
    @bibhuduttapanda1432 11 месяцев назад +3

    Sir You are the versatile hero in my life . outstanding teaching style u have

    • @Niru_24105
      @Niru_24105 8 месяцев назад

      14:20 sir said "racemisation hoga" but Br Jahan se niklega wahan toh repulsion feel hoga na? So how can the product be equimolar

  • @infinitebutfinite.718
    @infinitebutfinite.718 3 года назад +8

    Sir when we will be having crash course on polymer?
    Wating for you reply 🙏
    And thank you sir for delivering such a good content.

    • @coder5677
      @coder5677 3 года назад

      Ok sure...16 may..done

    • @Heisenbergiscooking
      @Heisenbergiscooking 3 года назад

      Bhai crash course se questions ban jate hai neet ke sare??

    • @infinitebutfinite.718
      @infinitebutfinite.718 3 года назад

      @@Heisenbergiscooking Ha bhai coz it contains major portion of the chapter from which questions are asked.

    • @Heisenbergiscooking
      @Heisenbergiscooking 3 года назад

      @@infinitebutfinite.718 mtlb mene chemistry me kafi chapters phle nhi kiye dhng se to bs crash course pdhke usse neet ke qus bnjaega ??aur 3 no part ke lie crash course benificial hai kya ??

    • @infinitebutfinite.718
      @infinitebutfinite.718 3 года назад +1

      @@Heisenbergiscooking Bro first read ncert and try solve some good back questions so that you have some prior knowledge about the chapter then watch the crash course

  • @dikshasingh1948
    @dikshasingh1948 2 года назад +3

    Sir,please tell me that how to recognise that the given reaction would undergo sn1 or sn2 mechanism?

  • @AdityaVerma-dx1dg
    @AdityaVerma-dx1dg 5 месяцев назад +1

    Sir partial double bond character ajata h toh vha Sn1 aur Sn2 rxn nhi hoti kyuuuu ?

  • @jassmarhar9371
    @jassmarhar9371 3 месяца назад

    Whenever i started feeling confident this man
    pulls out the question that are out of my reach 😢

    • @jassmarhar9371
      @jassmarhar9371 3 месяца назад

      Sir itna sab kese hoga
      Sirgg😢😢😢

    • @adityakaushik9977
      @adityakaushik9977 3 месяца назад

      Koi nahi bas revise karo​@@jassmarhar9371

  • @subhradipsarkar5085
    @subhradipsarkar5085 2 года назад +1

    Sir ch3-cl SN1 kyu nehi dega??

  • @baberraaftab6724
    @baberraaftab6724 2 года назад +2

    Thku sir 🥺❤

  • @shubhamanand7858
    @shubhamanand7858 3 года назад +3

    Sir please sab lecture hone ka baad ek Advance level ka questions ka liya le Lena.

  • @dhanunjayagupta8956
    @dhanunjayagupta8956 3 года назад +4

    Thank you so much

  • @ChipotssonTungoe
    @ChipotssonTungoe Год назад +2

    In 42:42 why is the I and sh not inverted if it's sn2 rxn

    • @DebrajRay-bo6eu
      @DebrajRay-bo6eu Год назад

      Maybe Sir ne sayad dekha nahi ki wo chiral centre he unko laga pichle question ki tarha yeh vi non chiral he flow flow me

  • @vaishalithakur6831
    @vaishalithakur6831 2 года назад +3

    Sir effect of solvent is also important...make a lecture on it

  • @ashawanikumargautam4987
    @ashawanikumargautam4987 3 года назад +1

    Sir kub se start kre hain crash course

  • @pulkitbhardwaj8693
    @pulkitbhardwaj8693 3 года назад +3

    Thank you sir....

  • @pwarmy7600
    @pwarmy7600 3 года назад +4

    sir kya mai jee mains and adv ke liye physics wallah ka lakshya batch join kar lu and class 11 ka complete course karya jaye

    • @gaurav210
      @gaurav210 3 года назад

      Mere ek dost ne kharida tha
      He is selling second hand now 😅

    • @godson200
      @godson200 3 года назад

      Arre le lo. Pese bohot kam lag rahe h. Lecture mat dekhna. Notes dekh lena bas. Baaki kahi aur se bhi padh sakte ho agar accha nahi laga lecturr toh

    • @pwarmy7600
      @pwarmy7600 3 года назад

      ᴋyᴀ ʟᴇᴄᴛᴜʀᴇ ᴀᴄᴄʜᴀ ɴᴀʜɪ ʜᴀɪ

    • @gaurav210
      @gaurav210 3 года назад

      @@pwarmy7600 I won't recommend
      Rest is your choice

    • @indian3154
      @indian3154 3 года назад +1

      @@godson200 🤣🤣🤣 paid advertiser

  • @shitalrathod2911
    @shitalrathod2911 3 года назад +1

    Sir ... please msc chemistry ke bhi lecture start Karo net , set ,ke liye

  • @VikasKumar-cd6oc
    @VikasKumar-cd6oc 8 дней назад

    SN12 me jo chaar ka comp. H vo planar h ya nhi

  • @muhammadali-cu8qp
    @muhammadali-cu8qp Год назад +1

    Sir vacant orbital kaise banaye?

  • @annysingh5225
    @annysingh5225 3 года назад +6

    sir kisme sn1 hoga kisme sn2 how we will know ??

  • @sumitphoolmali4221
    @sumitphoolmali4221 3 года назад +1

    Please koi ya bta do pankaj sir ne E1 elimination kha pdai hai.
    Or please time slap bta dena.
    Please 🙏🙏.

  • @AtharvBaviskar-c1k
    @AtharvBaviskar-c1k 11 месяцев назад +2

    Plz sir reaction mechanism for class 11th ki playlist banao...

  • @Shivji-q
    @Shivji-q 5 месяцев назад +2

    Thanku very much sir ❤ big fan of your explanation

  • @vinayakjoshi3187
    @vinayakjoshi3187 3 года назад +1

    Sir this is also for board also

  • @RamKumar-yq3kg
    @RamKumar-yq3kg 2 года назад +1

    Sir 17.57 par agar sn1 hai toh reagent apne sn2 wala kyu lia weak Nucleophlile

  • @suryanshkhatri7929
    @suryanshkhatri7929 3 года назад +3

    Sir, is chapter ke kitne lectures honge?

  • @savita4875
    @savita4875 3 года назад +1

    At 43.40 why trans was formed?

  • @pankajsaini2026
    @pankajsaini2026 2 года назад +2

    pankaj sir oppppp

  • @proplayerff7753
    @proplayerff7753 5 месяцев назад

    Sir pura organic apke videos se hi nikal rha hoon... Baaki teachers ka smjh nhi aata but aapka aajata hain ..JEE2025

  • @Study_with_sk75
    @Study_with_sk75 Год назад +1

    Tq sir ❤️

  • @edukondaluelluri4124
    @edukondaluelluri4124 3 года назад +1

    Sir who will teach organic chemistry in lakshya jee batch

  • @prajjuprajwal2355
    @prajjuprajwal2355 2 года назад +2

    I love you 3000 sirrr!! 💖✨

  • @hsrmaths6450
    @hsrmaths6450 3 года назад +2

    Sir RS and EZ nomenclature karva do please.

  • @karanwarwade7790
    @karanwarwade7790 2 года назад +1

    Khan sir se best koi teacher nhi h

  • @density-_-1979
    @density-_-1979 10 месяцев назад +1

    If RX is 3degree and Nu- is NaOH then what mech will be followed

  • @mr.vikaschopra2901
    @mr.vikaschopra2901 Год назад +1

    Awesome

  • @sukhmannatt4701
    @sukhmannatt4701 3 года назад +4

    sir Fan of yours teaching 🙏🙏🙏🙏

  • @aakanshapandey1847
    @aakanshapandey1847 3 года назад +5

    Sir please aap iss channel pe
    MS CHAUHAN ORGANIC CHEMISTRY
    VK JAISWAL INORGAINC
    AUR NARENDRA AVASHTI
    *KAI KMSE KMM LEVEL 1 KE VIDEO SOLUTION PROVIDE KRIYEA ISS CHANNEL PE PLEASE SIR*

  • @desieducation9631
    @desieducation9631 2 года назад +1

    Sir 35 min pe 2nd question mei I ne aage se attack kaise kiya?
    SN(2) mei toh opposite side se attack hota hai na.
    And H & D ke place kyu interchange karwa diya?

    • @nisels7012
      @nisels7012 2 года назад

      Koi ni bhi mai ajj ja Kai complain krrta hu sir Kai khilaf

  • @sumanniyana1531
    @sumanniyana1531 3 года назад +1

    Sir kya yeh organic ki class daily hogi na

  • @darmushtaq4198
    @darmushtaq4198 3 года назад

    Kya sir 12 th organic full padhaayei gei for neet 2021 ...

  • @Deepakmaurya-bj5pw
    @Deepakmaurya-bj5pw 3 года назад +2

    Thanks sir

  • @priyanshisharma0705
    @priyanshisharma0705 2 года назад +1

    Sir lesson complete hone ke baad kab kab revise kare kyu ki na lecture mein sab samajhta hai baad mein kuch din ke baad concept bhulne lagte hai ............ik sir iska reply nhi doge app

  • @JyotiPrakashBehera-t6z
    @JyotiPrakashBehera-t6z Год назад +3

    25:33 25:36

  • @user-xg1jv4rw7e
    @user-xg1jv4rw7e 3 года назад +3

    1:03:38 I think it will be resonance stabilised so sn1 will be favoured
    But sir said both sn1 and sn2?
    Can anyone explain?

    • @roenurrahaman2848
      @roenurrahaman2848 3 года назад

      Rate of SN2 will be slow

    • @user-xg1jv4rw7e
      @user-xg1jv4rw7e 3 года назад +1

      @@roenurrahaman2848 so both sn1 and sn2 will take place and sn1 will be more than sn2 ?

    • @roenurrahaman2848
      @roenurrahaman2848 3 года назад

      @@user-xg1jv4rw7e yes.Also depends upon type of nucleophile and nature of solvent.

    • @user-xg1jv4rw7e
      @user-xg1jv4rw7e 3 года назад

      @@roenurrahaman2848 ok thanks

  • @gugulothudinesh6068
    @gugulothudinesh6068 9 месяцев назад

    Sir u have missed factors affecting the rns and many more topics are left

  • @madankar2425
    @madankar2425 3 года назад +2

    Sir I have a doubt,I knew that the most electronegative sight of an ambident nucleofile donates it's electron in SN1 rxn. Whearas it's less electronegative and much Polarisable sight donates it's electron in SN2 reaction,then the formation of ALKYL CYANIDE would be SN2 whearas formation of ALKYL ISOCYANIDE would be SN1 rxn.,. Please clear my doubts
    1 second ago

  • @somurar6716
    @somurar6716 2 года назад +3

    Great guru dev ji chemistry ⚗️🧪📜

  • @NEETASPIRANT-jw8uh
    @NEETASPIRANT-jw8uh 3 года назад +1

    Sir 42:14 waha pe inversion kyu nhi hua..... please tell if anyone knows 🙏

    • @savita4875
      @savita4875 3 года назад

      Chiral carbon nahi hai

  • @coolbloodedgaming8421
    @coolbloodedgaming8421 2 года назад +2

    thnks sir

  • @shreyanshmishra8999
    @shreyanshmishra8999 3 года назад +1

    sir aap plz crash course krdijiye neet ka bohot need h sir

  • @sarthak8878
    @sarthak8878 2 года назад +1

    Agar koi substance resonance mein involve hai to vah na SN1 dega na SN2 dega

  • @tunishakashyap1126
    @tunishakashyap1126 3 года назад +1

    what is enantiomer pair???? plzz help

  • @OjaswiniDesale
    @OjaswiniDesale 6 месяцев назад +1

    28:17 lekin switch karna hi kyu hai

  • @amitkumarbehera2695
    @amitkumarbehera2695 Год назад +1

    Sir, Bredt's rule thik se samajh me nahi aaya

  • @cuisine_rush
    @cuisine_rush 3 года назад

    Sir sound proofing kerwa lijiye apne room ki.