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Chemistry > 6.1 > Flashcards

6.1 Flashcards

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1
Q

what is a hydrocarbon

A

a compound that contains only carbon and hydrogen

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2
Q

what is the difference between saturated & unsaturated

A

saturated - only single bonds
unsaturated - one or more multiple bonds

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3
Q

what is the structural formula of C4H10

A

CH3-CH2-CH2-CH3

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4
Q

what is the molecular formula for butane

A

C4H10

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5
Q

what is the empirical formula for butane

A

C2H5

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6
Q

what is a functional group

A

an atom or group of atoms in a molecule that is responsible for its chemical reactions

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7
Q

define homologous series

A

a family of compounds with the same functional group which differ by CH2 to the next member, they have similar physical & chemical properties

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8
Q

what is the general formula for an alkane

A

CnH2n + 2

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9
Q

what is the general formula for an alkene

A

CnH2n

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10
Q

what is the general formula for a halogenoalkane

A

CnH2n + 1 X

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11
Q

what is a base oxide

A

oxides of metals that react with water to form metal hydroxides and with acids to form salt and water

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12
Q

what occurs when an oxide reacts with water

A

alkali formed
form a colourless solution

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13
Q

what 2 products are produced when an alkane undergoes complete combustion

A

carbon dioxide and water

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14
Q

what is a structural isomer

A

compounds with the same molecular formula but different structural formula

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15
Q

what are the 2 types of structural isomers

A

chain isomers
position isomers

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16
Q

what is the difference between a chain & position isomer

A

chain isomers have different carbon chains
position isomers have the same functional group attached in a different position on the same carbon chain

17
Q

what are stereoisomers

A

compounds with the same molecular & structural formula but arranged differently in 3D

18
Q

what are geometric/cis-trans isomers

A

compounds containing a C=C with atoms or groups attached at different positions

19
Q

what isomers can only occur in alkenes

A

cis-trans/geometric isomers

20
Q

what is the arrangement of cis (Z) isomers

A

facing each other

21
Q

what is the arrangement of trans (E) isomer

A

opposite sides of molecule

Chemistry (46 decks)

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