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Chemistry 2 > Basic Organic Chemistry > Flashcards

Basic Organic Chemistry Flashcards

1
Q

Explain how fractional distillation works

A

Crude oil is heated in the distillation column. Hydrocarbon chains of different lengths evaporate at different temperatures, meaning you can separate the crude oil by cooling and condensing the vapour at different temperatures

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2
Q

Name the alkanes with 1-4 carbons

A

1 - methane
2 - ethane
3 - propane
4 - butane

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3
Q

Name the alkenes with 2-3 carbons

A

2 - ethene

3 - propene

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4
Q

Describe the reaction between ethene and hydrogen

A

ethene + hydrogen -> ethane

Reaction uses a nickel catalyst at a high pressure. The C=C breaks into two single bonds which attach to the two hydrogens.

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5
Q

Describe the reaction between ethene and bromine

A

ethene + bromine -> dibromoethane

The C=C bond breaks to attach to the to bromines.

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6
Q

What is the molecular formula for one unit of polythene

A

C2H4

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7
Q

What is the molecular formula for one unit of polypropene

A

C3H6

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8
Q

What is the molecular formula for one unit of PTFE

A

C2F4

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9
Q

What is the molecular formula for one unit of PVC

A

C2H3Cl

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Chemistry 2 (9 decks)

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