Alkenes (Structure, bonding and reactivity) Flashcards
1
Q
What type of hydrocarbons are alkenes?
A
unsaturated
2
Q
What type of bonding do alkenes have?
A
a double covalent bond
3
Q
What type of arrangement is the double carbon bond in an alkene?
A
planar
4
Q
What kind of stereoisomers can alkenes exhibit?
A
E and Z isomers
5
Q
What is the bond angle around a carbon-carbon double bond?
A
120
6
Q
Why are pi bonds vulnerable to attack by electrophiles?
A
They are exposed and have high electron density
7
Q
Why do E-Z isomers exist?
A
Restricted rotation of the C=C bond
8
Q
What type of stereoisomerism is this?
A
Z isomerism
9
Q
What type of stereoisomerism is this?
A
E isomerism
