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N5 Chemistry > Unit 2 > Flashcards

Unit 2 Flashcards

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1
Q

Where can members of the alkane family be found

A

Natural gas, petrol, paraffin, diesel fuel, lubricating oil, candle wax

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2
Q

What is a homologous series

A

A group of chemically similar compounds which can be represented by a general formula. Physical properties change

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3
Q

What are Alkenes

A

Alkenes are described as unsaturated hydrocarbons and can undergo addition reactions that convert them into alkanes. (Carbon to Carbon double bond)

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4
Q

Whats an addition reaction

A

An addition reaction is one where two or more molecules join to produce a single larger molecule

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5
Q

Whats a cycloalkane

A

The cycloalkane family is a homologous series of hydrocarbons and can help identified from the name and its general formula

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6
Q

What a cycloalkanes general formula

A

CnH2n

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7
Q

What are Isomers

A

Compounds with the same molecular formula but a different structural formula

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8
Q

Whats the general formula for alcohols

A

CnH2n+1OH

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9
Q

How can you identify Carboxylic acids

A

They can be identified by the carboxyl ending, the COOH functional group and the ‘-oic’ name ending

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10
Q

Whats the general formula for carboxylic acids

A

CnH2n+1COOH

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11
Q

What vinegar a solution of

A

Ethanoic acid

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12
Q

Whats an exothermic and endothermic reaction

A

Exothermic-heat is released is released
Endothermic-Take in heat

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13
Q

Where can different members of the alkane family be found

A

Natural gas, petrol, paraffin, diesel fuel, lubricating oil and candle wax

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14
Q

Whats an alkanes general formula

A

CnH2n+2

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15
Q

What are the four side chains callel

A

Methyl
Ethyl
Propyl
Butyl

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16
Q

What do alkenes have that alkanes do not

A

A carbon to carbon double bond

17
Q

What alkenes general formula

A

CnH2n

18
Q

How is a hydrocarbon ring formed

A

When a hydrocarbon chain joins up with itself

19
Q

Word equation for a combustion reaction

A

Hydrocarbon+Oxygen—>carbon dioxide+water

20
Q

What happens in an addition reaction

A

The double bond of the alkene partially breaks when the reactant molecule attacks and adds on across it

21
Q

What is addition of bromine a test of

A

Unsaturation

N5 Chemistry (3 decks)

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