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Chemistry > Organic Chemistry > Flashcards

Organic Chemistry Flashcards

1
Q

Alkane general equation

A

CnH2n+2

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2
Q

Alkene general equation

A

CnH2n

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3
Q

What is cracking

A

Large molecules are broken down into smaller, more useful molecules (at high temperatures using a catalyst possibly aluminium oxide)

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4
Q

Equation for complete combustion of a hydrocarbon

A

Complete combustion:

Any hydrocarbon + O = CO2 + H2O

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5
Q

Equation for incomplete combustion of a hydrocarbon

A

Incomplete:

Any hydrocarbon + O = CO + H2O

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6
Q

What do is the homologous series

A

Trends in physical properties, similar chemical properties, the same General formula and the same functional group

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7
Q

What is viscosity

A

Thickness of liquids

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8
Q

What is volatility?

A

How easy a liquid vaporises

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9
Q

What is the order of the column

A 
Refinery gases
Petrol
Naphtha
Kerosene
Diesel oil
Lubricating oil
Fuel oil
Residue
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10
Q

Use of residue (bitumen) & temp

A

Road surfaces and roofs

350

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11
Q

Use of refinery gases & temp

A

Bottled gas

20

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12
Q

Use naphtha and temp

A

Making chemicals

70

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13
Q

Use of petrol and temp

A

Fuel for cars

120

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14
Q

Use of kerosine

A

Aircraft fuel

170

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15
Q

Use and temp of diesel oil

A

Fuel for cars, lorries, buses

270

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16
Q

Use and temp of lubricating oil

A

Wax, polishes

270

17
Q

Use and temp of fuel oil

A

Fuels for ship

350

18
Q

Where are many useful hydrocarbons found

A

Fossil fuels

19
Q

What is a displayed formula

A

When it is normally drawn out

20
Q

What is structural formula

A

Eg for propane

CH3 CH2 CH3

21
Q

What is molecular formula

A

Eg propane

C3H8

22
Q

Test for Alkene

A

Bromine (Orange) turns colourless

23
Q

Do alkenes undergo addition or substitution reactions

A

Addition

24
Q

Do alkanes undergo addition or substitution reactions

A

Substitution

25
Q

What are addition reactions

A

It is where the double bond is broken and new atoms are added

26
Q

Saturated =

A

More reactive

27
Q

Possible polymer pollution

A

Carbon monoxide
HCL
PCBs

28
Q

What are hydrocarbons?

A

Compounds containing hydrogen and carbon only

Chemistry (3 decks)

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