Other
AQA a level chemistry notes for mechanism A2
- Course
- Institution
In depth notes including step by step mechanisms and equations
[Show more]
Seller
Follow
aishaabow9
Content preview
3.3. 1 Optical Isomerismof chirality in
Define optical isomerism which result molecules
A
farmay stereoisomerism occurs as a
Chirality
For a molecule to be considered chiral, it
must:
1. Have no plane of symmetry
2. Have I
diggerent groups attached to its chiralcentre
"I as
4 moleculeisn't chiral
This
it has a plane
of symmetry
. This chiral
moleculeis
H
Enantioners Optical isomers which are new superimposableimages
of each other
-"grus
⑯
How can we
distinguish enantioners from eachother?
-
shine prone polarised lightthrough the sample
observe the direction of the rotation oflight
-
Whatis
a racemic mixture Amitture with equal amounty both
enantiomers
I forms of steroisomerism 1)Geometric Isemerism
2) Optical (semer
, 3.3.7 Optical Isomerism
Define optical isomerism agormoy stereoisomerism arising asa
result of chirality inmolecules
Enantiomers blow can we differentiate between enantiomers?
'
H i H You observe their effect enplane polarised light
' '
'
'
c
toy :[ on plane polarised light through
-
You shine
"
no a
-
Chs ! CH }
the sample
-
if the light is rotated clockwise itis
,
non -
superimposed images tired enantiomer
light is rotated anticlockwise itis
of eachother if the
-
,
thet enantiomer
dgeuehaueceinixtureoyegual amounts of enantiomers.it is
calledraracemicmixturecracemate .
Why are racemic mixtures Because thlggectgthe.mn
optically inactive ? oytightcancelsoutr
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 or Stuvia-credit 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 aishaabow9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.92. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now