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Chemistry - Unit 2 > Homologous Series > Flashcards

Homologous Series Flashcards

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1
Q

Define homologous series

A

A group of compounds with the same general formula and similar chemical properties

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2
Q

What causes the gradual change in physical properties?

A

The increasing strength of the intermolecular forces

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3
Q

Define hydrocarbons

A

A compound containing hydrogen and carbon only

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4
Q

What is the general formula for an alkane?

A

CnH2n+2

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5
Q

What are the products of a congestion reaction?

A

Carbon dioxide + water

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6
Q

What term is used to describe alkanes as they will not instantly decolourise bromine solution?

A

Saturated

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7
Q

What is the general formula for an alkene?

A

CnH2n

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8
Q

What term is used to describe alkenes as they will instantly decolourise bromine solution?

A

Unsaturated

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9
Q

What term is used to describe the addition of water?

A

Hydration

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10
Q

What term is used to describe the addition of hydrogen?

A

Hydrogenation

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11
Q

What is the general formula of cycloalkanes?

A

CnH2n

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12
Q

What is the functional group for cycloalkanes?

A

Carbon ring structure

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13
Q

What term is used to describe cycloalkanes as they do not instantly decolourise bromine solution?

A

Saturated

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14
Q

Define isomers

A

Same molecular formula but different structural formula

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15
Q

What is the general formula for alcohols?

A

CnH2n+1OH

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16
Q

What is the functional group for alcohols?

A

Hydroxyl

17
Q

What term is used to describe alcohols as they do not instantly decolourise bromine solution?

A

Saturated

18
Q

What are the 2 uses of alcohols?

A

Solvents and fuels

19
Q

What is the general formula for carboxylic acids?

A

CnH2n+COOH

20
Q

What is the functional group for carboxylic acids?

A

Carboxyl

21
Q

What acid is vinegar a dilute solution of?

A

Ethanoic acid

22
Q

Define a fuel

A

Anything that burns to release energy

23
Q

What is an endothermic reaction?

A

On that takes in heat energy

24
Q

What is an exothermic reaction?

A

On that gives out energy

Chemistry - Unit 2 (1 decks)

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