alkanes, alkenes & alcohols Flashcards

1
Q

what are alkanes

A

saturated hydrocarbons

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2
Q

what is the general formula for alkanes

A

CnH2n+2

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3
Q

what is the molecular formula for methane

A

CH4

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4
Q

what is the molecular formula for ethane

A

C2H6

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5
Q

what is the molecular formula for propane

A

C3H8

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6
Q

what is the molecular formula for butane

A

C4H10

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7
Q

what is the molecular formula for pentane

A

C5H12

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8
Q

why are the alkane molecules saturated

A

there is only single bonds between carbons

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9
Q

why are alkenes unsaturated molecules

A

there are carbon double bonds

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10
Q

what is the general formula for alkenes

A

CnH2n

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11
Q

what is the molecular formula for ethene

A

C2H4

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12
Q

what is the molecular formula for propene

A

C3H6

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13
Q

what is the molecular formula for butene

A

C4H8

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14
Q

what is the functional group of alcohols

A

OH

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15
Q

what is the general formula for alcohols

A

CnH2n+1

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16
Q

what do alcohols form when oxidised

A

carboxylic acids

17
Q

what happens to alcohols when they are burnt in enough oxygen

A

complete combustion