Fractional Distillation

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  • Created by: gibb0n55
  • Created on: 14-05-16 22:53
Fractional Distillation
Heat the crude oil until most of if vapourises. The hydrocarbons rise up the tower (hot at bottom, cool at top). Hydrocarbons rise up tower until they reach their condensation point (when cool enough). Therefore hydrocarbons collect @ diff. points
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Cracking
Separates long chain hydrocarbons into shorter chain hydrocarbons to meet their demand. We use AlO or 'hot broken pot' as a catalyst for the reaction, and high temp. The reaction is a thermal decomposition.
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Testing for an Alkene
Use bromine water. The alkene reacts w/ the bromine, and the Br adds to the carbon atoms either side of the double bond-the double bond breaks, so final product is saturated. Alkenes= orange to colourless, alkanes= remain orange.
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Complete Combustion
Good oxygen supply. Water and carbon dioxide form.
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Incomplete Combustion
Lack of oxygen. Carbon monoxide and water form. CO poisonous because it binds to haemoglobin in RBCs and decreases their capacity to carry oxygen.
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Other cards in this set

Card 2

Front

Separates long chain hydrocarbons into shorter chain hydrocarbons to meet their demand. We use AlO or 'hot broken pot' as a catalyst for the reaction, and high temp. The reaction is a thermal decomposition.

Back

Cracking

Card 3

Front

Use bromine water. The alkene reacts w/ the bromine, and the Br adds to the carbon atoms either side of the double bond-the double bond breaks, so final product is saturated. Alkenes= orange to colourless, alkanes= remain orange.

Back

Preview of the back of card 3

Card 4

Front

Good oxygen supply. Water and carbon dioxide form.

Back

Preview of the back of card 4

Card 5

Front

Lack of oxygen. Carbon monoxide and water form. CO poisonous because it binds to haemoglobin in RBCs and decreases their capacity to carry oxygen.

Back

Preview of the back of card 5

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