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Addition Reactions
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Slide 1

Catalyst (broken clay pot or aluminium oxide (Al2O3)

Catalyst (broken clay pot or aluminium oxide (Al2O3)

Decane

(what is the formula? )

water

Slide 2

Decane

Decane

(what is the formula? )

What is the Structural formula - Draw in your jotter)

Slide 3

Decane

Decane

Draw 4 isomers of decane

Slide 4

When we crack DECANE what are the possible products formed?

When we crack DECANE what are the possible products formed?

How do you prove you have formed these products?

H

Slide 5

Annapurna

Annapurna

Slide 6

Pentene

Pentene

CH3CH2CH2CH=CH2

Alkenes

Can be

Hydrocarbons

Saturated

(Single Bonds)

Can be

Unsaturated

(Double Bond)

Ethene

CH2=CH2

Alkanes

Cycloalkanes

Slide 7

Annapurna

Slide 8

Saturated or Unsaturated?

Saturated or Unsaturated?

CH2CHCH3

Saturated

Saturated

Saturated

Unsaturated

Unsaturated

Slide 9

Bromine Water

Bromine Water

Br

Br

Double Bonds

Undergo

Addition Reactions

In Addition Reactions

The double bond

Breaks and bromine atoms

are added to both sides

of the double bond

Slide 10

Addition of Hydrogen (H2)

Addition of Hydrogen (H2)

H

H

The double bond

Breaks and Hydrogen atoms

are added to both sides

of the double bond

Propene + Hydrogen

Propane

Slide 11

Alkenes into Alkanes

Alkenes into Alkanes

Hexene + Hydrogen

C6H12

H2

+

Hexane

C6H14

Now write this reactions using the Structural Formulae

1.

Slide 12

Alkenes into Alkanes

Alkenes into Alkanes

Octene + Hydrogen

Octane

C8H16

H2

+

C8H18

2.

Slide 13

Saturated?

Saturated?

C2H6

C4H10

C20H42

C10H20

C15H30

C8H18

C7H14

C60H122

C11H22

?

?

?

?

C4H8

?

Slide 14

Alkenes and Cycloalkanes

Alkenes and Cycloalkanes

Isomers from different Homologous Series

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