Cracking Flashcards

1
Q

What is thermal decomposition?

A

Breakdown of a compound with heat

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2
Q

Explain why cracking of crude oil makes them more useful?

A

Large molecules broken into smaller ones

Smaller molecules are more useful as fuels

Compounds with large molecules do not flow easily

Compounds with large molecules in less demand

To produce alkenes or make polymers

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3
Q

What is the test for alkene?

A

Mix bromine water with alkene

Turns colourless

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4
Q

Why are alkenes more useful than alkanes?

A

Alkenes Used to make polymers

Alkene is more reactive than alkane

Alkene can be used as a starting material for other useful chemicals

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5
Q

Explain trend in boiling point of alkanes

A

As Alkene gets larger, boiling point increases

Intermolecular forces increases

More energy to break forces

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