Alkenes (P2C4) Flashcards
1
Q
What is the key word to describe hydrocarbons with a double bond?
A
Hydrocarbons with a double bond can be described as unsaturated.
2
Q
How many double bonds can an alkene have?
A
Alkenes can only have 1 bond, and it is written at the far left in the displayed formula.
3
Q
Do alkenes combust completely or incompletely?
A
Alkenes, unlike alkanes, combust incompletely due to the higher percentage of carbon in the molecule.
4
Q
How can alkenes be turned to alkanes?
A
By adding hydrogen with a nickel catalyst.
5
Q
How can alkenes be turned to alcohols?
A
By reacting the alkene with steam in the presence of a catalyst, phosphoric acid.
6
Q
What is the general formula for alkenes?
A
CnH2n
