Alkenes Flashcards

1
Q

What are alkenes

A

They are hydrocarbons with a carbon double bond

They are unsaturated as they can make more bonds

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2
Q

What are the first three alkenes

A

Ethene

Propene

Butene

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3
Q

What is an isomer

A

When two molecules have identical molecular formulas but different structures

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4
Q

What is made when u react halogens with alkenes

A

Haloalkanes

They are additional reactons

Eg ethene + bromine = dibromoethane

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5
Q

How do you test for carbon double bond

A

Shake alkene with orange bromine water solution becomes colourless

Alkene + bromine = dibromoalkane which is colourless

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