3.4 - Alkenes Flashcards

1
Q

Uses of poly(styrene)?

A

|> Insulated fast food containers

|> Packaging

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2
Q

What are the Cahn-Ingold-Prelog Priority Rules?

A

|> Atom w/ highest atomic number has highest priority

|> First point of difference on chain used to assign priority

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3
Q

What is the Positive Inductive Effect?

A

Alkyl groups (CH) have tendency to release electrons, helping to stabilise charge of carbocations

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4
Q

Uses of poly(1,1-dichloroethene)?

A

|> Shower Curtains

|> Plastic Films

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5
Q

Uses of Polypropene?

A

Food Containers

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6
Q

Uses of poly(prop-2-enenitrile)?

A

Synthetic Fibres

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7
Q

What are the conditions for E/Z isomerism?

A

Each carbon atom of carbon-carbon double bond is bonded to 2 different groups

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8
Q

What does the Hydrogenation of alkenes produce?

A

Alkanes (e.g. Margarine)

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9
Q

Define: Unsaturated Hydrocarbon

A

Hydrocarbon that contains one or more double bonds

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10
Q

What is the general equation for Polymerisation?

A

n HRC=CRH |> -(-C(H,R)-C(H,R)-)- n

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11
Q

Shape an Bond Angle around a C=C bond?

A

Trigonal Planar

120°

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12
Q

What is the most stable carbocation?

A

3° (tertiary)

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13
Q

What is the formula for Cycloalkenes?

A

CnH₂n₋₂

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14
Q

More stable carbocations are ____ to form?

A

More likely

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15
Q

Why does the C=C group contain π bonds?

A

Overlapping p-orbitals

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16
Q

How is a secondary carbocation shown?

A

C with a positive charge bonded to two other C atoms

17
Q

Define: Stereoisomers

A

Compounds with same structural formula but a different arrangement of atoms in space

18
Q

Define: Hydrolysis

A

Breaking of a Bond using Water

19
Q

How is a primary carbocation shown?

A

C with a positive charge bonded to one other C atoms

20
Q

Define: Structural isomers

A

Compounds with the same molecular formula but a different structural formula

21
Q

Define: Electrophile

A

An electron pair acceptor

22
Q

Uses of Polytetrafluoroethane (PTFE) ?

A

Non-stick pans

23
Q

How is a tertiary carbocation shown?

A

C with a positive charge bonded to three other C atoms

24
Q

What is the general formula for Alkenes?

A

CnH₂n

25
Q

What does the presence of a π bond mean?

A

Restricted rotation about the planar C=C bond