Alcohols , Phenols n Ethers 13 :Preparation Of Ethers -Dehydration of Alcohol & Williamson Synthesis

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For PDF Notes and best Assignments visit @ physicswallahalakhpandey.com/ Live Classes, Video Lectures, Test Series, Lecturewise notes, topicwise DPP, dynamic Exercise and much more on Physicswallah App. Download the App from Google Playstore ( bit.ly/2SHIPW6 ) Physicswallah Instagram Handle : instagram.com/physicswallah/ Physicswallah Facebook Page: facebook.com/physicswallah Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20 Physicswallah App on Google Play Store : bit.ly/2SHIPW6 Physicswallah Website: physicswallahalakhpandey.com/ LAKSHYA Batch(2020-21) Join the Batch on Physicswallah App bit.ly/2SHIPW6 Registration Open!!!! What will you get in the Lakshya Batch? 1) Complete Class 12th + JEE Mains/ NEET syllabus - Targeting 95% in Board Exams and Selection in JEE MAINS / NEET with a Strong Score under Direct Guidance of Alakh Pandey. 2)Live Classes and recorded Video Lectures (New, different from those on KZbin) 3)PDF Notes of each class. 4)DPP: Daily Practice Problems with each class having 10 questions based on the class of JEE Mains/NEET level. 5)Syllabus Completion by end of January, 2021 with topicwise discussion of Last 10 Years Problems in Boards, JEE Mains/NEET within Lecture. 6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021) 7)In case you missed a live class, you can see its recording. 8)You can view the videos any number of times. 9)Each chapter will be discussed in detail with all concepts and numericals 10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams. ****Test Series for XI & XII**** We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year. The test series follows very logical sequence of Basic to Advance questions.& Evaluation of Test and Solution to all the questions at the end of the test. 12 chap 10 : Alcohols ,Phenols and Ethers 01 : Introduction , Classification & Nomenclature JEE/NEET kzbin.info/www/bejne/f6fMhY1qaqulgLs Alcohols , Phenols and Ethers 02 : Preparation of Alcohols 1 : From Alkenes JEE/NEET kzbin.info/www/bejne/fmOtY6CngNN4aaM Alcohols, Phenols n Ethers 03 : Preparation of Alcohols 2: From Carbonyl Compounds & Carboxylic acid kzbin.info/www/bejne/rXKTiHmteL1kZ5o Alcohols, Phenols n Ethers 04 : Preparation of Alcohols 3 : From Grignard's Reagant JEE/NEET kzbin.info/www/bejne/Z2msgJ9_lLF1abM Alcohols, Phenols n Ethers 05 : Properties of Alcohols 1 : Acidic Nature - ESTERIFICATION JEE/NEET kzbin.info/www/bejne/amTJhn2OoJZ8fZY Alcohols, Phenols n Ethers 06 : Properties of Alcohols 2 : Lucas Test JEE/NEET kzbin.info/www/bejne/pZ7OfZx9p69qosU Alcohols ,Phenolsn Ethers 07 II Properties Of Alcohols 3 : Dehydration Of Alcohols JEE/NEET kzbin.info/www/bejne/bmbQg2h6bquXes0 Alcohols , Phenols n Ethers 08 II Properties Of Alcohols 4 : Oxidation Of Alcohols JEE/NEET kzbin.info/www/bejne/iaXJaqpsr7Crd5Y Alcohols , Phenols n Ethers 09 II Preparation Of Phenols - All Methods in One Video JEE/NEET kzbin.info/www/bejne/jH_UaWN4hdejq7c Alcohols , Phenols n Ethers 10 II Properties Of Phenols 1 : Acidic Nature Of Phenols JEE/NEET kzbin.info/www/bejne/h2rFqHeDl9Oiadk Alcohols , Phenols n Ethers 11 I Properties Of Phenol 2 :Esterification & Reactions of Benzene Ring kzbin.info/www/bejne/n5KzqX2DpK1opJI Alcohols , Phenols n Ethers 12 I Properties Of Phenol 2 : Reimer Tiemann & Kolbe's Reaction JEE/NEET kzbin.info/www/bejne/aZ25aHSLjd-Lm6s Alcohols , Phenols n Ethers 13 :Preparation Of Ethers -Dehydration of Alcohol & Williamson Synthesis kzbin.info/www/bejne/ona6hpR6bdOSbrM

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Sir only11th science maharashtra board new syllabus k liye aapke videos better hain

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And sir 11th biology ke liye youtube par lectures k liya koi channel ho to bataye.

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Sir koi responsibility leta he ya nahi, ray optics ab tak start nahi hua. Aapke approx 2M subscribers ha kuch to soocho. Responsibility lena shuru kar do. Aalas mat karo.....

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[@pradipsahu2275]

*Preparation of ethers* 🔷By dehydration of alcohol 1:49 🔹Dehydration with conc. H2SO4 2:23 6:56 8:15 Mechanism 10:35 13:28 18:25 🔹Dehydration with Al2O3 22:55 🔷 Williamson ether synthesis 24:10 27:20 Mechanism 28:44 31:55 33:00 *37:15* Formation of aryl ether 40:33 41:51 43:10 *43:35*

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Thanks

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diss karna stan ko bhav dega vo

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Thanku

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This line touched Heart ❤️ …….!! 📌Yaha concept Sikhne aate ho, reaction toh chap hi sakte the kitab 📚se…..!!

[@PhysicsWallah]

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

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Thanks sir

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sir aise hi jldi jldi pdhate jao

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@@aarfeenanees9147 Sir, channel ka naam physics Wallah hai par sir Wallah pronounce nahi karte, wala pronounce karte hai. Aur offline coaching me toh unhone spelling bhi physicswala likh rakhi hai. Mera matlab yeh hai Wallah ko hallah se match kaise kara. Aur aap na ek kaam karo. Gaand marao.

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@@jacobblack2544 wala ko pronounce karne kei liye 'wallah' spelling lagegi. 'walla' ka 'lla' part 'vella' ki tarha pronounce hoga jo ki galat hai. Wo H silent hai and ll pei zyada emphasis hone sei rokta hai. English padhi hoti, to syllables ka use karna aata hota.

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@@aarfeenanees9147 Kuch bhi kaho. Is rhyming me Wallah ko hallah ki tarah pronounce kara hai Par physics waala pronounce karna chahiye. Naraaz mat ho meri baat samjho.

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24:00 Williamson Synthesis

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Great lecture given by great teacher

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Yes

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Sir, Today iam not tell you to Cover AC, Aldheyde Ketone, Ray optics. Today i thank you to Make Physics and Chemistry strong..🙏🙏🙏

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Legend mean???

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did u get??

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We are lucky enough that all videos of class XII are uploaded except a few topics.

[@saniyasoge2001]

Sir aapki krupa se alcohol phenol ether complete hua thank you so much sir itne ache se pure topic ko explain krne ke liye

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28:52 piche dekho piche 😆

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Coming soon 10M 😊😊😊😎😎🤩🤩🤗🤤🤤🤤

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Sir aapke jitna acha koi nahi padhata Thank you very much Sir 😭😭

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Sir please provide some more questions on integer value rather than Mcq ,according to new jee pattern. Love u sir😍😍😍😍😍😍. Take care.

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Mera Guru mera Raab ❤️ Shurkia Guru g 🙏🌸🙇

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28:57 that epic one. . Piche dekho , Piche toh dekho 😛😂😂😂❤️❣️

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Plzz aise mt bolaa kro....Kahi sir sabkuch bnd naa krr de.....sir aisa bol chuke h phle bhi

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Sir what a lovely method of your teaching

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Hlw sir Please bring revision lectures on organic chapters Hydrocarbon Alkyl halide Alcohols....... Please sir that will really help us for mains exam

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Manzil series aa gayi hai ab.. 2 saal baad

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Sir due to u I scored 92 in ICSE class 10 physics and chemistry .I am trying my best for class 12 .Bless to all of the students in the world.Major students depend on u sir.

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all the best

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No need

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When ray optics will start.... Its my favourite topic

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13:28 mechanism dehydration

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Sir I commented this to all of your videos that please continue your One Shot Series for class 11th cause I haven't much time to watch again 11th lenghty lectures

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Bro one shot me bas revision ho sakta hai understanding develop nahi ho sakti

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Sir mene apke sare vedioes dekhe h ... Aap best ho ....

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No iam dropper .. Me teach krti hu baccho ko and prepare kr rhi hu sallybus neet k liye meri ghr ki condition achi nhi h papa ko cancer h .. So me tution padhati hu sir k sare vedioes dekhti hu bhut ache h vedioes muj bhut help milti h .., . so happy .. Ki me sallybus kr pa rhi hu muj bhut stress rehta tha ki me krna chahti hu pr coaching na hone ki vjha se me kr nhi pa rhi thi sir k vedio dekhne k baad me practice krti hu solve bhi hote h.......🙏 thank u so much sir coming for muj life..... Bus aapse milna h and neet crack krke sbko batana h ki u are teach me......

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Sir please do something about test series.❤️🙏🙏 And you told that something new is coming please tell what's that? 🤨 You are the best teacher we ever got . 💙💙💙

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It's pw app

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4:03 7:23 20:11 21:00 26:53 33:15 36:56 40:15 44:57

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you are supposed to copy notes while attending lecture , ss won`t help .

[@Khanw9k]

JazakAllah ❤

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Thank you so much sir for working for us all the time!!!! Sir I request you to please upload Haloform Reactions... Thank you sir..

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Thankyou so much sir for ur amazing lecture 👍

[@excel8280]

45:10 Sir -OH group has also mesomeric effect and it can give lone pair to benzene ring also then why there is no PDBC in Phenol??????????? Please explain

[@ManojSharma-dy7sc]

Bro, it's for phenoxide ion, where O- show +m effect and not -OH grp In case of sodium phenoxide Na+ possess -m and -i effect which counters the +m and +I effect of O- , thus not letting 0 to send the electrons inside the benzene ring

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You should be awarded 🙆❤

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You are Genius sir ji

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Sir make a video on strategic for last 4 months for boards please

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History me 1 chapter aur badhne wala h "Educational revolution : Alakh pandey"

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@23- december-2020 @3:10 pm

[@bishnuprasad314]

Thanks for your amazing lecture

[@NehaTiwari-ic4tq]

Sir at 44:48 in aryl halide X have -I effect then how can it give its lone pair electron to ring for resonance as it used to pull electron from the ring due to -I effect. Sir plz explain

[@radhikakulkarni8012]

In halogens -I effect is more effective. But it also shows 𝗠𝗲𝘀𝗼𝗺𝗲𝗿𝗶𝗰 𝗲𝗳𝗳𝗲𝗰𝘁 so lp of chlorine takes part in resonance.

[@NehaTiwari-ic4tq]

@@radhikakulkarni8012 but bro -I effect dominates over +M effect in case of halogen then can X show its +M effect

[@radhikakulkarni8012]

@@NehaTiwari-ic4tq bro have you gone through haloarenes?

[@NehaTiwari-ic4tq]

@@radhikakulkarni8012 haa bhai

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@@NehaTiwari-ic4tq 𝗯𝗿𝗼, how do you study carboxylic acid & Amine ? Because Sir hasn't made video .

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I love your teaching style

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May you all get excellent marks in your board exam 😊

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Army💜

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💜

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God bless you Sir, for teaching us ✨😍✨😍✨😍 wonderfully

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its my prediction that one day alakh sir will get nobel prize for free teaching salute to u sir u r at the level of god to me

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Bhai nobel scientists ko milta h teachers ko nhin.

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bharatrantna

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Thank you so much sir awesome LACTUR and super amazing crystal CLEAR..... Bahut INTERESTING LGA .... love you alakh sir.....🙏🙏🙏✌️✌️💕💕💕💖💖

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Mil gaya

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Yea

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Thank you sir 😊❤ Love frm orissa ❤🍫😊

[@AstrolidonSpace_]

Note 1-> 8:15 Note 2-> 20:36 Note 3-> 23:00 Note 4-> 23:47 Note 5-> 27:05 Note 6-> 33:35 Note 7-> 36:57 Note 8-> 39:43

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Sir ap god gifted ho students ke liye

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who else started in february give attedence

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Mene start kia h😭😭😭🥺🥺🥺🥺🥺🥺🥺🥺

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Me also

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Me toooo😶😂

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Me😟

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Me after giving jee mains yesterday 😂

[@AnkitaTiwari-k4l]

Thank you so much sir for this amazing lecture😇🙏🙏

[@shamshersingh1132]

39:28 Sir, what happens if we have 2* alkyl halide?

[@VishalPatel-ns9pj]

both compound will form ether and alkene

[@pakshikjainpakshikjain747]

Sir voh toh aap ho jo 12th me organic boht nahi lekin thoda sa assam banaya varna ye organic 12th me meri mar kar hi reti. Thank you sir

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हमको English pareshan किया है....

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Sir please complete course quickly

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Sir u are doing the best thing for us no doubt.......kam sa mi da(thank u in korean language)......

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Happy ganesh chaturthi 1st viewer and commenter 1 view and 9 👍 in 30 seconds Power of sir 1👍 for sir

[@muskanmitra1832]

Sir we all love you so much....keep going on 😊

[@joshiabhishek1208]

Yaa

[@JobanJoban-t7j]

East or west sir you are best 👌

[@robinsharma7920]

Thank u sir....fr ur love nd support...😍💕💕

[@himanshudash-c4c]

Sir pls magnetism and matter complete karva do🙏🙏🙏🙏

[@dhaniyasourav717]

Thanks you sir ji 🙏🙏🙏🙏

[@vaishnavibawage3685]

Oo nice