alkenes Flashcards
1
Q
what is the function group of alkenes?
A
C = C
2
Q
what is the formula for alkenes?
A
CnH2n
3
Q
what are examples of the first 3 alkenes?
A
- ethene
- propene
- butene
4
Q
what is the difference between displayed formula?
A
- 2 Cs have an = sign
- they have 2 less H
5
Q
how can bromine water be used to distinguish between alkanes and an alkene?
A
alkenes react with bromine water, turning it from orange to colourless
alkanes DO NOT react with bromine water, it remains orange
