Reaction Mechanism 07| Electrophilic Substitution 03 :Effect of Substituent on Reactivity Of Benzene

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Sir 50:43 mei how is CH3 ortha , para directing ?

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[@gauravbansal2705]

At 49:50 (c) option me to o/p directing hoga na sir.

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Ha bhai o/p directing hona chayeee

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Wahi... To..o/p hona chahiye

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i was also thinking the same dude @@ShobhitJrPal

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As-salamu-alayeikum, Maine ek barr Quora me ek post dekha jaha pe ywh likha tha ki 'Organic chemistry is like a chocolate. It's delicious but if you take it more then problem might happen'. Maine uss waqt socha ki organic chem to sabse mushkil wala topic hai woh kaise delicious chocolate ho sakti hai....actually jo mera school teacher hai unhone OC ko itna mushkil tarha se samjhaya tha ki OC se nafrat ho gya tha. But thanks to this man iss ne saare topic ko itna accha tareeqa se samjhaya, mai iss ke paas hamesha shukar guzar rahunga. He is a living legend. JazakAllahu khairan sir....

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49:53 there is a mistake 😁 not meta directing ,exception of (weak de-activating) halogen is O/P directing ... Respect and love for Alak pandy Sir 🌹♥️

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[@e9ib]

Sir ne btaya ki clorine ek deactivated group h but iski tendency hoti h ki y electrophilic m para aur ortho position pr layga toh fir jb sir ne 49.9 pr question diya usme cl ka meta ku kha sir ne ???

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In which class you are

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01. Introduce.. What we are going to Study (5 mins) 02. Activating groups for electrophilic subsitution ( 17 mins) 03. Deactivating groups for (18 mins) 04. Very very important Questions based on theory!!!! Intro Questions Then theory

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Bruh. My nigga you can do timestamps bruv.

[@Maddie05007]

54:00 so that i dont have to search for that video again...... Flourine is small and cannot handle many electrons (internal repulsions)so it also has slight +M effect whereas this is not seen in chlorobenzene. Hence flourobenzene is comparitively more electron rich than chlorobenzene.

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59:18 Mai sir as chlorine substitution depends on possibility it will attack the 2* carbon atom in the carbon ring!(benzene)

[@asiam5878]

Yes I also think so

[@sarweshgill8233]

Bhai free radical substitution ma joo free radical banaga voo methyl paar more stabe hoga ( due to resonance ) Stability order of free radicle 1 resonance 2 hyperconjugation 3 Inductive Hope you understand....

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@@chiragmittal1270 3° C atom ke paas H atom Nahi Hain to donate Cl free radical, so 3° Nahi ho sakta.

[@satyajeetpatil5102]

Benzene ring mai double bonds hote hai Double bond compounds generally shows addition rxn not substitution rxn Jada se Jada allylic substitution ho sakta hai. Since CH3 is on allylic position Hence free radical substitution can possible there

[@shrutikoyalkonda3660]

@@satyajeetpatil5102 Ya ..correct👍

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At 41:25 second Product of Reaction no. 3 is written in wrong way in notes of reaction mechanism. But no matter sir, You are the best one😊👍

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why wrong?

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Kya galat hai

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Thankyou sir ❤️ ab jaake mujhe samajh aaya ye directing grp wala😊

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Karimganj

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23 or 24 ?

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[@RiyaGupta-lj2er]

Sir at 54:01 you wrote that floro benzene is prefer over chlorobenzene but sir flourobenzene is more electronegative so have more _I effect than chlorine so the order should be e>d>c>b>a..

[@saibamaji8711]

But as fluorine has small size....there is inner electron repulsion in it....so it would have more tendency to donate the electrons to the ring...than Cl

[@saibamaji8711]

And check for electronegativity when elements are of the same period and check for size in the case of same grp....

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At 48:00 sir told that halogens are ortho and para directing but at 49:45 sir told that Cl will attack on meta🤔🤔🤔🤔

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Amazing teaching method honourable instructor. This is the solo channel which aids a lot to enjoy and practice the machanisms of reactions which seems boring. Thanks a million for making organic chemistry interesting ❤❤❤

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Thank you Alakh Sir... I am from Bangladesh.. Lots of love for you Sir...

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I was study organic chemistry with other teacher but concept cleared only by this lacture 😌 we love you sir 🙏

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Sir aap jo padhate h sab taiyar ho jata h 😎

[@fajansohail556]

Sir there is one mistake 49:41 there cholorine is not meta directing it is ortho and para directing

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Mein bhi yhi sach raha tha

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Sahi

[@nimishatandon9276]

Sahi ha since in case of halogen - I dominate over + M effect

[@chandragouda95]

S bro halogen group has exception they're attack on para or Ortho

[@rtd4520]

Hows CH3 o,p directing bro ?

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Am from Pakistan and I totally loved the benze series sir u are best teacher Huge respect Love from Pakistan ❤✌🏻

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Pay sir by sharing lecture /channel

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itni achi tara se samajh aaya sir can't tell u

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The last one ..the last que.wowwww..agr na btaya hota aapne toh waisa hi soch rhe Thai hm..friedel craft reaction 🤣

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Majboori ~ Compulsion

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Kash ek or Baar like kar sakte!

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kar sakte ho doosri id bnakr

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Sir mare chemistry ke teacher apko bohut follow karta haaa .woh be apsa km nahe ha.👌👌👌👌👌

[@mehmoodaakther3677]

Sir at 49:50 ,c should be o/p directing instead of meta directing Sir please explain it .

[@adarshyadav5254]

Yes....chloro benzene is ortho para directing by mistakely sir has written it meta directing 😅

[@shanvee3606]

SIR NE goc bhi yha aram se revise karwadiya so much respect to him.

[@aparnabts5997]

Only heard exception are always there. But chemistry proved it.

[@missyn760]

Hii Army 💜💜

[@jathinsreekarjakka]

@@missyn760 Hi

[@Aroon_Sukhsena]

Old Alakh sir was gemm❤

[@factstrip786]

Thanks for helping all Students 🙏🙏

[@arpitapaul6353]

Thank u sir. U r world's best teacher. Aap jaise teacher pakar India ke bachon ke kismat phir gayi.

[@mdfiroz3847]

41:00 Example 3. Aniline does not undergo Friedel -Craft reactions {NCERT P.NO. 395} 43:26 Example 5 also don't undergo Friedel-Craft acylation as -CF3 is very strong deactivating group which decreases the reactivity of benzene towards F-C reactions [ like nitrobenzene decreases reactivity of benzene towards F-C reactions]

[@chad-x-guru]

Thank u sir, yehi kabse doubt tha, abhi ekdam clear hogya... 😚😎

[@mdqamarfarooque3342]

Thank you sir..for hearing to our pledges.....

[@Mr-sam-alex]

50:44 me option no ..c.. me meta ke jagah pe ortho/ para hoga sir ..aap ne hi vedio me 5 min pehle bataya hai..🥰

[@cbsenews809]

Salute to sir ☝️ Hit like

[@abhaypratapsinghbaghel5484]

The bestest lecture ever on this topic, .... TQ sir !

[@lalithaperi3094]

You are really awesome sir, God should give You good health, wealth and prosperity.

[@keshavsharma291]

49:45 chlorobenzene is deactivating but its not meta directing its ortho and para directing who agree????

[@palak._2810]

Han

[@sohansk1200]

Sir doesn't know chem stupid

[@harshsinghal1197]

Alakh sir you are the best teacher on KZbin

[@aneeskhattak9170]

Appreciated ur method...I m pakistani but I like ur teaching method as well as ur talent..live u long.m

[@soniyachaudari8052]

Hamare alak sir jesa koe nhi

[@anonymous-om6qr]

Thank you sir. You have made organic very easy for us. 🙂🙂🙂

[@mahasubramaniyam8545]

Love and support from Tamilnadu 😇

[@vaishalipandey3541]

Starting 12th organic chemistry without studying 11th organic chemistry: started Haloalkanes nd haloarenes 1st video from alakh sir sir: you tube pe type kre reaction mechanish pw saw reaction mechanism sir:you tube pe type kre goc pw started goc sir:you tube pe type kre iupac pw 😂😂😂type krte krte ....sir ne kin uchyiyo se kha geraiyo m dubo diya😥😁😁 ... just telling my experience...altogether sir is god for me

[@anandojha9861]

sir at 50:25 c option should be o / p directing u told it happen with halogens

[@atharvbangale7776]

AT 50:00 sequence of answer is B >D>A>C

[@sujayjadhav4122]

Sir ...thanks aap sabke baap ho🙏🙏🙏

[@PriyanshuSharma-cd9xv]

Tere hi hoga baaap. Teri maata k kya hi shonk hai

[@ayanmallick3385]

Ab intizar khtm hua... Jake.... Thanks a lot sir jii 😊😊😊

[@manishalambat5386]

Sir -8:57 me Jo c wala hai Kuch der pehle toh apne bataya tha ki wo ortho para show karega due to its tendency (wo hallogen wala

[@ambujrai1574]

Ha bhai Mera bhi yehi doubt hai?

[@divyabharti8642]

😢😢🥺🥺

[@mankhushtiwari2039]

Aap pure education field me changinging la diye hai