DF - E/Z isomerism Flashcards
1
Q
What causes E/Z isomerism?
A
The restricted rotation around C=C double bonds.
2
Q
What is E/Z isomerism a type of?
A
Stereoisomerism.
3
Q
What are stereoisomers?
A
Have the same shortened structural formula but a different arrangement is space.
4
Q
If the Hs are across the double bond what type of isomer is this?
(Opposite sides)
A
E.
5
Q
When the Hs are both above or both below the double bond what type of isomer is this?
A
Z.
Zame Zide.
6
Q
What are E/Z isomers also known as?
A
Cis/Trans isomers.
7
Q
What is a cis isomer?
A
The Z-isomer.
8
Q
What is a trans isomer?
A
The E-isomer.
9
Q
When can cis and trans isomerism be used but E/Z can’t?
A
When you don’t have 2 Hs.
