Summary
Summary Chemical Bonding and molecular Structure
- Module
- Institution
Handwritten cheat sheet for Chemical Bonding and molecular Structure by JEE 2020, GATE, and CSIR topper
[Show more]
Seller
Follow
atharvashinde
Content preview
Chemical Bonding &Malecular sbuctureAbond is formed bet toc atoms f its
lends to stability foxmahon
Chemical Borde )Stongg Bonds - dntra molecular bonds
2) weak Bonds - otex moleclar bonde
a drlesmedate bondg - Mealc bonds
nramdecular
DCovalent bond
bonds are of two types
2 lonic bonds i-
i-Shaming e
Elechasthe foree bet" to atoms
Covalent bonds i Sharing e
Single bond :- ohen 2 8£ ane shaed
.double bondi-when 4 e re shared
Tsiple bond i-when 6 e are shased
ewis Ocket Theosyishaxing
Atomseto
undego bend1ng
aain an
by
Coc
Jcsing sguing o
Foxmal Chaxgei dtis equa t no. of valance ein
free atom and no. oF e asgned o it in lecws
stuctuse.
E.C=ltotal Valance na. feintatal ne.
2sharedel
c
Le in free atomlone paI.
Genexally Jowest energy stucture is the cne wth te
Snallest fomal chage
Coocunate bond i- is speal covalert bond where
both the shared e oe contr1buted by one atom
, :CSo:
|Ontet ue is not useful foy combounds he
Li d, Be H., Bla, Befet which hare sub octet
|lement in and beyond the 3rd pericd. also
|have he 3dorbitale for bending rasulhng in
mare than 8 e in the outer shU.such ompout
are saud to hane expanded ox super octet
eg PEs,SF , PCs, HNO,So.sO, Hso
Rasonarce i- when a single lewis structure
Connot descxibe a mdecuté, These shuctures ar
alled canonical ox regonathing suctureg
A molecules can atain etra stabiity by showing
SeSOhance
Greatex the no ofresonahng shuetuss more
the
Rond Oxdex:- No. of bonde in a_pair ofatoms
eg N=N bondosder =3
*Any bani between tuo atams total valanceell4
lhas bond ocder 3 and ae thetatal larce e
tncreases/decenses the bond asdex decreaseR bu
O.5
Bond oxdley d Stabilityy aBond shrength
Fox tesonahng shuctuise
bond orcder: It po ofdouble bond
tola no. of atomg
, Valance bond theory (vot)
DCcalent bond is fened by overlapp cf half Filled crbilals
allhochve foces should be mcre than reçuleive
a) Shength of bonddepende on extent of orerapping
ypes of overupping
9,Sigma Co)bondi- tis fosmed by head on overappirg
as-s
oealspping
sp oretapping
olp-pi) over ap ping
PiC) bond i- tis forme by overlapping when
oobitals are lto cach other ad L to indenuelear ais
s-s)o <(S-p)a (p-p
(2p-2p)7> (3p-3p) Strengh of bonds
VBT Could not predict the bond angle
|Hybridizahon- is a hypothehcal concept
Aomic orbitale of same atom, f compable enegy
combine to fom_new set ofcf osbitlg befoe bond
fomohon called hybd orbitals
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller atharvashinde. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.30. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now