3.4 - Alkenes Flashcards
Uses of poly(styrene)?
|> Insulated fast food containers
|> Packaging
What are the Cahn-Ingold-Prelog Priority Rules?
|> Atom w/ highest atomic number has highest priority
|> First point of difference on chain used to assign priority
What is the Positive Inductive Effect?
Alkyl groups (CH) have tendency to release electrons, helping to stabilise charge of carbocations
Uses of poly(1,1-dichloroethene)?
|> Shower Curtains
|> Plastic Films
Uses of Polypropene?
Food Containers
Uses of poly(prop-2-enenitrile)?
Synthetic Fibres
What are the conditions for E/Z isomerism?
Each carbon atom of carbon-carbon double bond is bonded to 2 different groups
What does the Hydrogenation of alkenes produce?
Alkanes (e.g. Margarine)
Define: Unsaturated Hydrocarbon
Hydrocarbon that contains one or more double bonds
What is the general equation for Polymerisation?
n HRC=CRH |> -(-C(H,R)-C(H,R)-)- n
Shape an Bond Angle around a C=C bond?
Trigonal Planar
120°
What is the most stable carbocation?
3° (tertiary)
What is the formula for Cycloalkenes?
CnH₂n₋₂
More stable carbocations are ____ to form?
More likely
Why does the C=C group contain π bonds?
Overlapping p-orbitals