Summary
Summary Isomerism
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Handwritten cheat sheet for Isomerism by JEE 2020, GATE, and CSIR topper.
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atharvashinde
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Jsomextsmsomeaism÷ he phenameron oF existnnce ot 2ar Mare
contpounds paseeaing he same moleculax' foxmule but
dift. popesties
dsomexisn
Souctuxal isomesie Sexeo isomens
o dhain isomensm aptical Ceomekiccl
H) Positan somerisM
ta) Furcicnal isomexism
H4) Metanexisrn
H5) TasbmeKSN
*Ghuctuxal isomexiSm Same, moleculax foznulae &
dif chrucuxal foamulae
Ch¡in lsomexism'- Same ME. but diE. o oF caxbon
labo in main /side chain eg A &
CHa-CHa-ÇH -CHa-CHa
CN & cHa-CH,-CHa - CH- CHa
CS- c) CN
al Posihon isomexism Cmpands haxe sane size oF
mainlside caain but hauing diff. pashian of locants
cHs
&
m-Xylere
p- Xylena
,Functional deomexismi- Some ME. but dE. Functibnal
gxoupeg<psopana)
cHe-CHfH Cpropanone)
CHycH =CH-CH¡ &
iG aso knon a8 xing- chain somexs)
°2° 3° amines axe
",2 3° Funchonalisoess
arnides ane. funchonal iSoMers.
Fouing campounde dont exist at soom temp.
the ase not considered as a stactural isomer
2)-c=c-OH g) -¢-OH
4)-o-oH
bR
NH2
4Metomexsmi - Compounds hauing same oatre of
ahgp funchiona gap butYdift. pature of
aliyl gops along tha palcalent fanchional gsp
CHgCHa
_ autometism i Phenomenon by hich a sihgle compund
exis in
|chuchuee that difex in the elahie pasihons of at
Jeazt one at leagt one ¢ atomic, nucleLg
These to isomexs emain in dynamic equhbatun
Condition
, in fallouing
Usually present 2)>c
following functional gpe
NHY 3)-N=0 4)-¿-o
Estes
cabonyd
22 Basic need
Nitaso
fo is existence is ataehment of the
gxups aoth he sp hybaidised_c-atom havan
atleatLH atom
d- H is shifted to mae dechove abm atached
Jodouble bond
CH =-CHa
CtyfCHa PH
oM
* Steseoisomersm
Thege isomes aKo dAE faom each other in tte wau
he atoms are oxiented in space heg iFex in
Plyscal, chemicgl & biolagical poperthea
-OH C-OH
ec
HofFuvaic acid
M.P. 287 c
Malec actd
88ental metabole toxic, iitant
Stexepisomers
conigiaahonal Confamatonal
Ctonamexzenvatable) Cntexeonuentable
non- ísoble)
Enantiçnmex
Copthca ony)
DiastereomeXs
-optlcal Gecmetical
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