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Unit 2 Natures Chemistry > Homologous Series > Flashcards

Homologous Series Flashcards

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1
Q

What type of bonds do alkanes have?

A

Single bonds

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2
Q

Are alkanes saturated or unsaturated?

A

Saturated

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3
Q

What is the general formula for alkanes?

A

Cn H2n+2

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4
Q

4 Uses of alkanes

A

Petrol
Natural gas
Diesel
Candle Wax

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5
Q

Isomers

A

Same molecular formula different structural formula

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6
Q

What is a hydrocarbon?

A

A compound made from hydrogen and carbon only

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7
Q

General formula for alkenes

A

Cn H2n

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8
Q

What type of bond do alkenes have?

A

Double bonds

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9
Q

Are alkenes saturated or unsaturated?

A

Unsaturated

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10
Q

Test for saturation?

A

Bromine water

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11
Q

1 main use of alkenes

A

Plastics

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12
Q

If the bromine water turns colourless it’s…

A

Unsaturated

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13
Q

If the bromine water is unchanged it’s…

A

Saturated

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14
Q

General formula for cycloalkanes

A

Cn H2n

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15
Q

Word equations for a combustion reaction

A

Hydrocarbon + Oxygen ——> Carbon Dioxide + Water

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16
Q

What are the indicators for a combustion reaction experiment

A

Limewater turns milky due to CO2 being produced
Cobalt Chloride paper turn from blue to pink due to water being produced

17
Q

What’s the cause and result of incomplete combustion?

A

Cause - insufficient supply of oxygen
Result - carbon monoxide produced

18
Q

What happens during an Addition reaction?

A

The double bonds break and the molecule is added to the carbon bonds.

19
Q

An example of an addition reaction?

A

Bromine added to an alkene

Unit 2 Natures Chemistry (2 decks)

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