Alcohols , Phenols n Ethers 12 I Properties Of Phenol 2 : Reimer Tiemann & Kolbe's Reaction JEE/NEET

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12 chap 10 : Alcohols ,Phenols and Ethers 01 : Introduction , Classification & Nomenclature JEE/NEET
th-cam.com/video/IviTZ45FrJY/w-d-xo.html
Alcohols , Phenols and Ethers 02 : Preparation of Alcohols 1 : From Alkenes JEE/NEET
th-cam.com/video/H2J2mqKnE3A/w-d-xo.html
Alcohols, Phenols n Ethers 03 : Preparation of Alcohols 2: From Carbonyl Compounds & Carboxylic acid
th-cam.com/video/wA0WFwCX118/w-d-xo.html
Alcohols, Phenols n Ethers 04 : Preparation of Alcohols 3 : From Grignard's Reagant JEE/NEET
th-cam.com/video/18IOlI_LB3Q/w-d-xo.html
Alcohols, Phenols n Ethers 05 : Properties of Alcohols 1 : Acidic Nature - ESTERIFICATION JEE/NEET
th-cam.com/video/43fUJXk1IG4/w-d-xo.html
Alcohols, Phenols n Ethers 06 : Properties of Alcohols 2 : Lucas Test JEE/NEET
th-cam.com/video/omkLiGrJ7lc/w-d-xo.html
Alcohols ,Phenolsn Ethers 07 II Properties Of Alcohols 3 : Dehydration Of Alcohols JEE/NEET
th-cam.com/video/85mR5D9FdDk/w-d-xo.html
Alcohols , Phenols n Ethers 08 II Properties Of Alcohols 4 : Oxidation Of Alcohols JEE/NEET
th-cam.com/video/Stf9w6zKxA4/w-d-xo.html
Alcohols , Phenols n Ethers 09 II Preparation Of Phenols - All Methods in One Video JEE/NEET
th-cam.com/video/VNq80BPrpuU/w-d-xo.html
Alcohols , Phenols n Ethers 10 II Properties Of Phenols 1 : Acidic Nature Of Phenols JEE/NEET
th-cam.com/video/Q9bwDMbno3w/w-d-xo.html
Alcohols , Phenols n Ethers 11 I Properties Of Phenol 2 :Esterification & Reactions of Benzene Ring
th-cam.com/video/iaPxJMoH5n0/w-d-xo.html
Alcohols , Phenols n Ethers 12 I Properties Of Phenol 2 : Reimer Tiemann & Kolbe's Reaction JEE/NEET
th-cam.com/video/3lV7AUXzXeI/w-d-xo.html
Alcohols , Phenols n Ethers 13 :Preparation Of Ethers -Dehydration of Alcohol & Williamson Synthesis
th-cam.com/video/lEWUaD8n_8Q/w-d-xo.html

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[@ancythomas8279]

Sir i had a small doubt regarding reimer tiemann reaction....in the nutshell part...u wrote that the reactn intermediate contained Na+ ion attached to O-ion...but in the mechanism part there is no Na+ion... can u pls clarify my doubt.... with lots of respect..... from Kerala....

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Proud to be a student of the first online batch....

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Sir reimenn teimann reaction ka 11 krle reaction mechanism me jod do plz

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Sir reimenn teimann reaction ka 11 krle reaction mechanism me jod do plz

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Download PDF Notes Soon @ physicswallahalakhpandey.com/class-xii/chemistry-xii/10-alcohols-phenols-and-ethers/

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*Properties of phenol*
🔷Reimer Tiemann rxn 1:16 4:16 6:11
Mechanism 7:44 11:44 24:15 15:49
19:16 20:36 21:29 25:19
*Question **32:00* *34:05*
🔷Kolbe's Reaction 37:45 39:11 39:56
Mechanism 41:10 41:58 45:37
🔷 Reaction with Zn dust 47:13

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..May God bless you and fulfill all your wishes and dreams ..and you become more and more successful..

[@samsam-wc2ld]

- In riemer tiemann reaction, substitution takes place at ortho as there is intramolecular hydrogen bonding as well as there is more +I effect of O- ion

[@kavi5990]

At para there is intermolecular h bonding which is stronger than intramolecular

[@wetraccoonbetterthantrump]

​@@kavi5990stability of molecule depends on intramolecular h bonding. Intermolecular h bonding determines boiling point of bulk

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Sorry man it didn't happen

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@ 46:30 I was about to end the lecture but stopped when Alakh sir said Ek reaction baaki hai.

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SIR PLZ AAGE BHI CHEMISTRY AAP HI PADAO .....KYUNKI AAPSE JYADA FEEL MILTI HAI .THANKS YOU

[@achiever8456]

I THINK THIS IS MOST IMP PART OF THIS CHAPTER......

[@ushakumar7740]

No one literally no one
Me : after having accleration batch subscription and watching riemaan timeean reaction mechanism from 4 teacher including alakh sir
I am again back to see this mecahanism
Maaja hi ni aaya phir yaha aake jo swaad aaya na kya btao 🤦‍♀️🤦‍♀️🤦‍♀️😂😂

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ur from which state

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Aur chemistry ke liye regular video.
Waaooo...

[@gayatrisavarkar8196]

sir at 4:40 the product of the reaction is SALICYLALDEHYDE

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@@shashwatanand5169 sir aldehyde mein l miss kr gaye hai dekh dhyan se

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Jyada nhi bolte mana ki sir acha padhate h

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dhronacharya award

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Nobel prize bhi de de wahi baki he

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No one is greater than you in chemistry

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Sir Reimer Tiemann rxn me aapne jo rxn intermediate bataya tha wo to aapne mechanism me banaya hi nhi
Sir plz explain

[@shriyanshchourasiya5639]

@@sreerammukku1703 this is not the answer...
Where is the intermediate..
That ONa one..

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@@shriyanshchourasiya5639 kolbes rxn

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Nobody but Alakh sir akhri 30 sec me "ek aur important reaction dekh lo"

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[@kuhelimondal6355]

45:12 sir there is a minor mistake. That H+ ion will be added on main O- ion (the ion of phenoxide) and form OH with benzene ring , that COO- ion still reamin same. Then next step with dil HCl , COOH will be formed
I mean Woh bagal k COO- pe nehi upar ki O- pe hi chala jayga
🙏🏻❣️

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3:58 this is salicylaldehyde
Thank you so much sir for supporting us.🙏

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sir written same

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@@puneethnagaraj796 Sir wrote "Salicyladehyde", one "L" was missing.

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no other option ;)

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No one loves and respect Hydrogen sacrifices....#19:35

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Kolbe reaction me mechanism Wrong hai B'coz usme intermediate ONa banta hai, plz correct it

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Alakh pandey sir meri life me abse achhe teacher hain

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5:41 sir ncert me salicylaldehyde hai 🤣🤣😅... spelling sahi hai ncert ki apko shyd thodi dekhne me problem ho gyi... btw sir aaj pura samjh aaya ... thank you very much sir!!

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ماشاءالله سر ۔سلامت رہیں

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At last minute I thought how will sir be able to cover that last reaction he is talking about.
But as always he did it.
😐😁😅

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God is always with..Aman..dhattarwal..n his brother...

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Optics hi karna chahiye

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Mechanisms of Reimer Teimann's rxn and Hydroboration oxidn are the weirdest mechanisms I have ever seen

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@pooja Mehta Should the mechanism is important only for boards class 12 ?

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Sir congratulations for 2 million subscribers in advance

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5:45 sir there needs to be another 'l', that is why the 'a' is there
it is salicylaldehyde

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Hmlogo k liye aap bhut.....mehnat krte h sir aap great ho sir.. Rat ko v video dal rhe h....aap great teacher ho sir ji

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Best lecture in preparation of phenols,but in this lecture sir doesn't say---(The Oxidation of Phenols))

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Offcourse

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Happy teacher's day sir

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5:52
22:35
30:47
33:40
37:07
40:47
46:12

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10:10 NICE DANCE 😂😂

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today also this gem never fails to teach better than any other

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41:19 kolbe reaction mechanism

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Sir....where do the Na attach to O- ..... because we see Na attached to O- in the intermediate

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No words to thank you sir 🙏💎💎💎💎💎💎💎💎💎💎💎 for diamond of physics and chemistry

[@virender0054]

Dear Sir, aap ne 43:27 pe kaha h ki "OXYGEN KA "+I" EFFECT HOTA H" lekin sir Oxygen more Electronegative hota h to fir "-I" Effect hona chaiye.
"SIR PLEASE REPLY AS SOON AS POOSIBLE."🙏🙏🙏🙏

[@sarthakkumar3241]

Same doubt

[@vishnudev29]

O(-) act as + I group as the electronegativity decreases considerably when there is - charge on O.

[@virender0054]

@@vishnudev29 but my friend as you are saying electronegativiry of o(-) decreases that does not mean it becomes electropositive and starts donating electrons.
I think you should make sure of what you are saying.

[@vishnudev29]

First I'm not a student I just stumbled upon your doubt and answered on whim and second you should refer theory of electronegativity first as it's just the relative tendency of attracting electron due to higher effective nuclear charge and negatively charge ions have less electronegativity. No exchange of electron takes place and the order of + I groups are as follows 0-, Coo- , 3° alkyl , 2° alkyl , 1° alkyl , CH3 , H

[@virender0054]

@@vishnudev29 gurudev make sure the order of +I groups you have given is correct.
Just google it or search it in some standard text.

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i am tired doing studies
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Greatest teacher ever

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Riemer Tiemann get 37 minutes to get explained

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We are waiting for 4 million subscribers 😘😘

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1) Impulse
2) Rocket propulsion and variable mass
3) Titration

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Kaha se hai ye topics ?

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Best video ever on this topic sir. Thank u!

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गुरु आपकी ये अमृत वाणी
हमेशा मुझको याद रहे।
जो अच्छा है जो बुरा है
उसकी हम पहचान करे।
मार्ग मिले चाहे जैसा भी
उसका हम सम्मान करे।
दीप जले या अँगारे हो
पाठ तुम्हारा याद रहे।
अच्छाई और बुराई का
जब भी हम चुनाव करे।
गुरु आपकी ये अमृत वाणी
हमेशा मुझको याद रहे।😊😊

[@sushmabhajangeetbela3203]

It Should be Salicylaldehyde
Not Salicyladehyde.
👍

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Children blessing is most powerful then others