LiAlH4 in One Shot | Concept Booster | Explained by IITian | Mains, Advanced | NEET | AIIMS

Hello Guys, In this lecture we are going to explain one of the most important reagent for Jee mains, Advance, NEET and AIIMS.
Lithium aluminium hydride, LiAlH4, also abbreviated as LAH, is a reducing agent commonly employed in modern organic synthesis.
It is a nucleophilic reducing agent, best used to reduce polar multiple bonds like C=O.
LiAlH4 can reduce aldehydes to primary alcohols, ketones to secondary alcohols, carboxylic acids and esters to primary alcohols, amides and nitriles to amines, epoxides to alcohols and lactones to diols.
Lithium aluminium hydride cannot reduce an isolated non-polar multiple bond like C=C. However, the double or triple bonds in conjugation with the polar multiple bonds can be reduced.
LiAlH4 is a powerful reducing agent compared to sodium borohydride, NaBH4, since the Al-H bond is weaker and thus less stable than B-H bond.
LiAlH4 is prepared by the reaction between lithium hydride and aluminium chloride.
The reduction of a carbonyl group by LiAlH4 is initiated by the attack of nucleophilic hydride ion on the carbonyl carbon to give a tetrahedral intermediate.
LiAlH4 is a nucleophilic reducing agent since the hydride transfer to the carbonyl carbon occurs prior to the coordination to the carbonyl oxygen. It reacts faster with electron deficient carbonyl groups. The reactivity of carbonyl compounds with this reagent follows the order: (Decreasing)
Aldehydes , Ketones , ester , amide , carboxylic acid
The steps involved in the reduction of various functional groups are shown below:
Reduction of Aldehydes or Ketones to 10 or 20 alcohols: Initially, a hydride ion is transferred onto the carbonyl carbon and the oxygen atom coordinates to the remaining aluminium hydride species to furnish an alkoxytrihydroaluminate ion, which can reduce the next carbonyl molecule. Thus three of the hydride ions are used up in reduction.
Many More concepts and tricks are discussed in details inside the Lecture. we Hope, You will enjoy the session and it would be definitely a great content for jee mains, advance, NEET and AIIMS.
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Thanks
Team IITian explains

[@nitishmohanbatham7246]

Today MKA Sir was looking very happy and seriously today i enjoyed watching the lecture most. Sir ko itne acche mood me dekhkar dil bagg baag ho jaata hai.

[@rudrasingh3996]

Don is back 😊😊

[@riddhijain7653]

Just like a catalyst, u boost up our concept very fast and clearly! Ur videos are worthwatching! Thankyou so much sir!😀

[@technicalchirag9545]

Nice comment

[@rockynaquib2316]

Ye sahi kaha

[@chemgurupubl7879]

Great topic explained by a great mentor in a great way and for a great purpose to serve absolutely free and quality education to everyone. Respect for MKA Sir.

[@devanshsethia9498]

sir aap mahan ho... jaha mai chem me mushkil se 10 ques attempt karta tha... but maine mains me 19 ques attempt kiya and all correctly... thank you sir.

[@mindyourbusiness46]

Sir, we students cant thank you enough. You spend so much time recording these special videos and all of them are nearly 1 hour long, just so that we understand the concepts properly and we don't end up just mugging up the products of the reactions. So much respect for you sir. Thank you so much.

[@9829manoj]

Best quote in starting of video. Thank you so much...........

[@Wildlifeadvocate]

it is very ridiculous how someone dislike such a helpful video. sir keep making videos . and sir please add more lesson in coordination compound . thankyou so much sir for your efforts

[@jugalparikh2906]

At the few initial sconds speaks like 3 words per sec . This shows how fast his mind works

[@yath3681]

Speaking fast does not mean you have a sharp mind, most girls talk fast Elon musk stammers a lot and you know what he is

[@dipandas9605]

@@yath3681 talking with and without thinking has a difference.. make sense ri8?

[@yath3681]

@@dipandas9605 talking out memorized things and things in which you apply your brain has also a difference right? Sir has a lot of experience and all the concepts till now would have been memorized in his brain, so it doesn't require much of intelligence

[@yath3681]

@@dipandas9605 does elon musk talk senseless?

[@poojalkatiyar8017]

@@yath3681 what do u mean by giving girls as example no doubt they are intelligent

[@neetilamba2671]

Thank u thank u thank u thank u thank u thank u thank u thank u thank u thank u thank u thank u thank.. Thank u so much sir 💞💞💞💞💞💞💞💞💞💞💞💞💞☺️☺️☺️☺️

[@aashutoshkumar5672]

thank u bolne me time barbad mat kar. aur 2000 thank u likh dena aage se😡😡😡😡

[@nilabhattacharya988]

👍👍👍👍best sir...so detailed information about LAH is not given in any book... Plz continue this series

[@jenniferj1510]

Thank you soo much MKA sir.. This video was of great help.. But one request sir..please sir upload videos more frequently.. Your videos are really soo interesting and addictive too..i have watched all your booster series and they were very very nice..The 160 questions which you discussed there were very nice conceptual questions. I was not at all good in chemistry especially inorganic part and i used to always forget the reactions ,Thanks to your inorganic booster series I have really started loving inorganic chem now..(And I longer have to mug them up now,😄😄) Though I am a neet aspirant,my younger brother who gave JEE this Jan..was also regularly following your videos and lectures and he got over 26+ questions correct in chemistry. Thank you soo much sir for all your efforts..We students can't really thank you enough.

[@nuturn-plusss7204]

MKA SIR.... *THANKS A LOT FOR THIS NOBLE HELP TO UNDERPRIVILEGED JEE,NEET ASPIRANTS WHO R TOTALLY DEPENDENT ON KZbin*.......

[@e-logics3962]

I have seen your video first time and i must say this is called the standard teaching with simple understanding......

[@manmadharao4608]

Thank you so much sir this is so very much helpful...💙

[@tribhuvangupta3297]

One of the awesome lecture , with very enjoyment , thank youso much MKA SIR AND IITIANS EXPLAIN.🙏🙏🙏🙏🙏🙏

[@hamzah.319.8]

Sir you are great.Thanks a lot.Have no words for your this lecture.Brilliant

[@hasibkhan4481]

Kashmiri?

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Sir concepts ekdm boom boom Ho gye 😇💗💗💗💗💗💗💗💗

[@rudrasingh3996]

Sir DIBALH, NABH4, KMnO4, NaNH4,Br2 in different conditions, in sab pe videos please bana dena. Plz Plz cover complete syllabus on oxidation, reduction and carbocation rearrangement concept regarding ring expansion

[@anmolmishra_iitkgp2581]

Physic wallah

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@@anmolmishra_iitkgp2581 😀😀

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[@RavalmehulDurgashanker]

Sir you are doing wonderful job and very nicely teaching with depth of topics.

[@maa12128]

It's iitian + excellent explains. Very nice sir almost every thing is covered in LIALH4

[@Ajay-ei2jo]

O my God So high quality education, so deep Concepts in so easy explanation...... Thank you very much MKA sir🤗 Big fan of yours......

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Sir ur really a genius.Explaination couldn't have been any better than this.

[@shaileshrao8694]

Best video I have ever watched! Thanks a lot sir!

[@nijanshisingh7765]

In case anybody didn't noticed , notes of the lecture are given in description . HAPPY STUDYING EVERYONE ! :)

[@anish_gauravvv]

No only minor detail....not complete notes.🤡👉👈

[@Rajnishkumar-nq4bp]

Awesome effort. Your lectures motivated me a lot. thankyou sir.

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Really thankful to you sir .....lots of love ❤️❤️❤️and respect to you 🙏🙏🙏

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Sir i can't thank you enough, you're a life saver ♥️

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Sir u r awesome you cleared my all doubts related to that u covered all variations too............... seriously ..... "legend of chemistry"

[@nitishthehelpinghandofstud973]

Ab iss se badhiya content koi nhi dega wo bhi free of cost .... lots of love KASHIF SIR.....

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Thank You Sir . Great work🙏

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I enjoyed the video and understood all concepts.. Uu r amazing teacher

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Great concept sir...very thankful to you...

[@jatinawasthi2897]

Padhtey rahe aagey badhtey rahe...super sir ji...😊😃

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Sir u are the best chemistry teacher i have ever met 😉

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the way you teach is exactly the way we students wanna learn ... thanks a lot sir ..!!!

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🇮🇳🇮🇳Thanks Sir Very Much . GREAT EFFORT🔥🔥🔥🔥🔥🔥💥💥

[@IITianexplains]

Thanks, Keep Sharing, Keep supporting. Jai Hind. 🇮🇳

[@g1ntok147]

My teachers..nvr gave me d real logic..thts why i used to hate chem....but sir apne mera interest chem mai la diya...ek baar dekh lu toh..ekdam se yaad reh jata hai.....apke vid nhi dekhta hu toh kisi bhi concept mai satisfaction nhi rehti...thnx sir

[@utsavsharma1057]

sir mere organic weak ha our aap he mere hope ho thank you sir and please continue making these kind of video

[@shashwatdwivedi8184]

Bawaaal ! Dhanyawaad Guruji

[@shikhasmita7820]

Thank you so much sir for this wonderful video...I hope you make the videos of other reagents too...😊

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sir u are my concept builder.sir will u give advance problems rank booster? more ur videos more will be our concept and finally more nearer to our goal i.e best iitian from iitian explains.thanks

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amazingly explained..thanks a lot

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My favorite online chemistry teacher. Love and respect you dada 🙏🥰

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Excellent plan

[@manikmehta2727]

23:27 Sir X would have a double bond character. So will it not hinder the reaction?

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U really give the best concept sir....👏👏👏👍🏼👌

[@truegrabbers]

Wow ... Getting good vibes

[@_vishnu.mishra]

Thankyou sir for your valuable collection about LiH to us .

[@techtwins712]

THANK YOU VERY MUCH TO MAKE THESE TYPE OF VIDEOS , WE ARE VERY GREAT FULL TO U

[@SahilKhan-zu5lr]

U r brillent, because u teach with mind as well as heart !!

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Thankkkkks a lot...sir iska age ka series jald SE jald upload kriye😍

[@RAHUL-re7he]

Ek hi to Dil hai sir kitni baar jitoge , Aap ek ek concept Ko questions ke sath samjhate hain that insane epic

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Love you sir 3000 times

[@mightygerman]

Sir, a looooooooooot of thanks. Toooo much awesome lecture.

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Extremely helpful lecture

[@infinitechemistry6650]

Thank you bhaiyya ❤love your chanel & work ....all the best & again thanks ....❤

[@appajisriram2065]

SUPER TALENT - SUPER TEACHING - SUPER CONCEPTUAL CONNECTION

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Thank sir. These contents are gold.

[@beastslayer8409]

Very very very thanks sir ye video ke liye..!! Public ki demand hai aur video banau 😍😍😍

[@iitianabhi720]

Sir aapki video phele bar dekhi h Maja aa gaya sir thank you very much

[@IITWALALADKA]

Kaafi dino se LiAlh4 par doubt tha aaj crystal clear ho gya ekdum .....thanks guruji.......

[@swastikachand4284]

Congrats for 100K subscribers sir .I am now able to understand this topic.Thank you so much

[@IITianexplains]

Thanks Beta. Exam kaisa hua?

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extraordinary, mindblowing , sir

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Bohot badhiya video sir, super concept 👌

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Ver very thank you sir.. Bhagban apko.. Surakshit rakhe..

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Sir you deserve 10 million subscribers

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You are great sir

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Sir you are fabulous in JEE preparation field ,nothing is better than you ,I think you are the ideal ,sir please physical chemistry ke most weightage chapter ki short trick bhi please for JEE advance ,as I have cleared JEE mains January with valuable score.

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Only Channel on KZbin for Detailed organic chemistry (esp. for advanced)

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Kamaal kaa lecture tha guruji❤❤

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Awaited video ♥

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Legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend legend............ Infinity Sir bas ese hi karte rakhiyega Isse pehle bhi apki tank booster ke mene saare videos dekhe the usme bhi aapka lialh4 wala point kids wajah se muje 5 marks aaye (5 due to me attempt to karta hi question ko Lekin wo galat hota) Es baar bhi April me phir ke aaunga

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Keep Doing hard work. 😊 And Share with friends and family.