Banana Bond in Chemistry | Explained by IITian | IIT Jee Mains, Advance, BITSAT, NEET and AIIMS
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- เผยแพร่เมื่อ 13 ต.ค. 2024
- A banana bond is also known as a bent bond. It is a type of chemical bonding where the ordinary hybridization state of two atoms making up a chemical bond are modified with increased or decreased s-orbital character in order to accommodate a particular molecular geometry (that of 3 bananas in a ring shape).
Technically, the banana bonds can be said to be made up of orbitals similar to sp3sp3 but not exactly (like two sp 3.1 and two sp 2.9 orbitals--since hybridization is just addition of wave functions, we can always change the coefficients to give proper geometry).
You see this type of bond in small-ring compounds like cyclopropane (C₃H₆) and cyclobutane (C₄H₈) and in 3- and 4-membered heterocyclic rings.
Looking at this in a little more detail, we can see that the C-C bonds of cyclopropane are "bent" and not pure sigma bonds. Recall that overlap is greatest when orbitals overlap "end-on", i.e., via sigma bonding. Pi bonds overlap laterally. The overlap in cyclopropane is neither end-on or lateral, but in between. So it is intermediate between sigma and pi bonding. These bonds are also sometimes called "banana bonds".
The cause of the bent overlap is that the internuclear angle ( the angle between the bond lines connecting the nuclei) is forced to be much smaller (60 degrees) than the interorbital angle (the angle between the axis of the two AO's on a given carbon), which is 109.5 degrees.
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U take those topics that can't be found anywhere else. Core topics and people choose to ignore it.
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Well well explaination brdr... Love from pak 🇵🇰 Listening u first time... Well presenetation..✌.I am also Chemistry lecturer at inter level 🙂🤗
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Nice explanation of banana bond
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revolutionary teacher i ever seen
Can u give a list of molecules which show banana bond which is important for iit jee
B2H6, Al2(CH3)6, Ga2(CH3)6, (BeH2)n
Thank u bhaiya
al2cl6,al2br6,(alh3)n,al2i6,a2(ch3)6,i2cl6,becl2,beh2,b2h6
plz give me answer...
Sir my question about MRI(Magnetic resonance imaging)
In MRI
two types of images T1 and T2
what is difference between T1 and T2 image?
T1 and T2 image is depends on spin of electrons.
sir Besak aapne kamaal K samjhaya hai , sir plz ek video valance bond theory. p banaye , axis wale questions m problem aa rhi hai !!
Sir !! Explain 2C 3e bond in hyperconjugation....... Plz....🙏
Sir please add a video on calculation of n factor in various redox reactions.. It's very difficult
At 26:22 u r wrong sir the bond energy of bridge bond is greater than terminal bond because bridge bond has bond energy as 441kj whereas terminal bond has bond energy as 381kj
Bonds of cyclopropane do not follow 2e-3C definition of bent bonds, as u were saying in case of diborane. So these are two different kinds of bond. Everything else was just terrific in this lecture, you explained very well.
sir chemicak bonding ki sari videoes topic ke sereality order mein compile kar digie
After watching your video m able to explain my little sis.... About banana bonding thank you sir
you could have shown the video to her directly? XD
@@jacobblack2544 his point is illustrated by einstein's quote (paraphrasing): "You don't understand it well enough if you can't explain it in simple words"
Sir kya batau aapko ican not explain aap kitna aacha explain karte mano ki jaisa lagta hai sabhi topic ka juice nikal dete hai mai dropper hu sir neet ka thaiyari kar raha hu maine to padha hai sab kuch but aapse padhne ke bat jaisa lagta maine kuch padha nahi phale aapse padhne ke bad lagta mai jis teacher phale padha usko mai aache se sikha du ye mera belive hai
Sir ap dotted lines bohot acha banate hai
You touched the right nerve!
Ronit Mandal
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IITian explains
U are awesome sir, love u , still one question, U said cylopropane is more reactive than alkanes because of bent bonding ( due to strain ),
Thanks for telling concept
Sir plz explain specificity and selectivity of organic reagents
Good job man
Doubt- In cyclopropane C-C bond is sigma or banana ???
can you plsmake video on entire hydrogen bonding in chemistry
Very nice explanation sir !!!
I have a small doubt, in sp3 hybridization, orbitals are oriented at angle of 109.5 . In this molecule the H-B-H for terminal Hydrogens, the bond angle is 120. Can you pls clarify on this. Thank you
Sir kya aap physics ka video nhi bnate hai
Very helpful video
Sir if bridge bonds are weaker than why methylation does not take place on bridged hydrogen??
sir, my teacher told me that banana bond is stronger than the traditional b-h bond between terminal hydrogens . whats true please help
Book me bhi banana bond hi jyada strong likha h
@@mitalimachiwal-iitguwahati9254 okay
@@mitalimachiwal-iitguwahati9254 woh ha zyada strong bridge is stronger than terminal
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Sir if the electrons are delocalised, how is octet of each boron in complete at an instant? Plz help...
Please sir make more videos like this. Awesome concept
Just a doubt...
C2H6 m C-C k beech Jo bond h, it's covalent right??then how Banana Bond at 37:15
In case of cyclo propane how can we justify... it is a 3 center 2 electron bond????
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Why Alcl3 does not form banana bond and dimerizes?
Finally my concepts are clear..... Thank you from the bottom of my heart.... Great work Sir
sir please make more videos of some important topics .sir aapne video upload karna stop kar diya kya
Sir kya diatomic molecules like:- CO ,NO etc ki hybridization nikal sakte h kya....
Hame pta h ki hybridization ka concept poly atomic molecules k liye hota h....??
sir 1S bond ka matlab hain?????
Nice sir
now i can understand very easy to orgainc chemistry
thanks sir
Shivani Yadav improve your English
can you tell sir where to use localised and where to use delocalised ??
Thank you gurujii
Revision hogyi ache se ❤️🥰
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All doubts cleared amazing video
109.5° kaise hua cyclopropane me ,wo to aapne compund me hota hai na like C -H and C-C ,intermolecular ka ye value kaise aaya?
Why do not occure the methylation of bridge hydrogen.
Sir please please please upload a video on optical isomerism inorganic chemistry
sir in cycloalkanes, how 3c2e bonding occur when we have only two centre(carbon atom)
this is most complte lecture i did not listen before .great job sir iam also a student of well recognized universty of pakistan(punjab universty).but you teach like a genius
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Sir lekin H ke pass 1 electron hai so how it forms 2 bonds in case of B2H6
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in hybridisation of b is sp3 then how is the angle 120 in bhb
just wanted to let u knw how much ur time, efforts, nd hard work is appreciated .....thank uuuu...!!!!!!!
akshita tyagi
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IITian explains
jyada barai mat kar sir ka. sir achhe hai sbko pata h. tere kahne ki jarurat nahi h.😎😎😆
just awesome ....plzz upload these types of concept which generally occur in competitive exam thank you very much
Awousam video sir....
In back ya banana bonding
The bond in cyclopropane is 2c - 2e banana bond?
Sir apnay last Kay 7 mins may orbitals ki Baat Kari thi wo konsi orbitals hai because because Carbon ke pass 4 orbitals Khali hotay hai
Best explanation...plz keep uploading the videos...ur teaching is making chemistry easy as well as interesting 👍🏻🙌🏻
Good explanation of Diborane..
which bond is stronger banana or sigma bond, why
Sir 4c - 3e banana bond bhi hote hai kya .???
I mean aur bhi iss type ke compounds hote hai kya ...
Yes
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Sir .... please upload video related to formal charge...
Well explained.. Thank you
sir can u please make a video on structure of atom class 11 .....
Sir you told in this video that bond length is inversely proportional to bond energy .But sir,later you also told that sigma bond is longer and also stronger than banana and pi bond .Sir,how is it possible??
Bond energy of bridge bond is more sir please reply
Crystal clear 🙂
Very nice concept only one thing is that it would have been great if u gave an example regarding 3c four electron also thank u
Mjy ye bht Acha smjh aya aur mjy ye phly ni ata tha ab mjy itna Acha smjh aya hy k ma b kisi ko smjha sakti hn thanku sir I like ur video 👌
love you sr g finally i got concept of banana bond... love your lectures
This lecture is so wholesome
Sir can please make video on lanthanide contraction
hyb in cyclopropane is sp5....
Sir need a video on angle strain and reactivity. Thank you for this video.
Sir chemical bonding pe video banaiye na
Detail reasoning ke sath ki har concept ki jarurat kyn padi like VBT
Hybridisation VSEPR. And LCAO . And MOT pe thoda detailed video taaki Bsc college students ko thoda aur benifit ho ☺️
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thanks sir
Yogesh Gupts
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Team IITian explains.
Thank you sir...
Ab confidence a raha Hai
Sir aluminium Hexamethy me 2 centred 2 electron bond kitne h
You are doing great job sir
Sir really u are the man of chemistry