13.1 Alkenes - The properties of the Alkenes Flashcards
1
Q
What are Alkenes?
A
Unsaturated hydrocarbons
2
Q
General Formula for Alkenes
A
CnH2n
3
Q
Describe the Electrons of carbons involved in a Double bond
A
-Three electrons in Sigma bonds , and one in a p-orbital.
4
Q
Describe how a Pi bond is formed
A
-The overlap of two p-orbitals from carbon atoms involved in the double bond.
5
Q
What prevents rotation around the double bond?
A
-The Pi bond locks the carbon atom in positions
6
Q
What is shape around the Carbon bond ?
A
120* - Trigonal planar
-There are three bonds region of electron density around each of the carbon
7
Q
A
