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10404458
ISOMERISM
Descrição
A level Chemistry (Cheminems) Mapa Mental sobre ISOMERISM, criado por Jumael Zafar em 17-09-2017.
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"i've somehow risen!" say this really fast.
chemistry
cheminems
a level
Mapa Mental por
Jumael Zafar
, atualizado more than 1 year ago
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Criado por
Jumael Zafar
quase 7 anos atrás
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Resumo de Recurso
ISOMERISM
These are compounds with the same molecular formula but are arranged differently in space.
Structural Isomerism
Chain isomerism
This is where the compounds have the same functional group but a different Carbon skeleton e.g. branches.
For example, Butane and methylpropane are chain isomers.
Position isomerism
The atoms or groups of atoms are attached to different Carbons of the Carbon skeleton.
For example, 2-chloropentane and 3-chloropentane
Functional isomerism
The same atoms are arranged into different functional group e.g. from an alkene to cycloalkane.
For example, hex-1-ene and cyclohexane.
Stereoisomerism I
E/Z isomerism
Due to restricted rotation around the double bond, the way in which the atoms are attached is important.
E-isomers occur when matching/the highest Mr atoms are attached across the double bond.
Z-isomers occur when matching/the highest Mr atoms are on the sqme side of the double bond.
Cis/trans isomerism
Occurs in complex ions and organic compounds. This is where the ligands in a complex ion are arranged in a certain way.
If matching ligands are right next to each other, it is cis.
If they are opposite each other, then it is trans.
Stereoisomerism II
Optical isomerism
This is when a compound can exist as 2 non-superimposable mirror images.
The compounds are usually called enantiomers.
This type of isomer can occur only if there is a chiral Carbon.
This means a Carbon joined to four different functional groups.
This can also be done with complex ions e.g. its ligands.
Anexos de mídia
Optical Isomers (image/png)
12 9 (image/gif)
12981 (image/png)
24 0 (image/jpeg)
Boardworks+As+Chemistry+Alkanes (image/jpeg)
C6 H12 Isomers (image/jpeg)
16 Optical Illusion (image/jpeg)
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