Hydrocarbons Flashcards

1
Q

what is a hydrocarbon

A

an organic compound made up of only hydrogen and carbon

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2
Q

what is an alkane

A

a saturated hydrocarbon

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3
Q

what does saturated mean

A

the compound only contains single covalent bonds

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4
Q

what is an alkene

A

an unsaturated hydrocarbon consisting of at least one double bond

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5
Q

what is an alkyne

A

an unsaturated hydrocarbon consisting of a carbon-carbon triple bond

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6
Q

define a homologous series

A

a family of compounds with similar chemical properties whose successive member differ by the addition of CH2

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7
Q

what does aliphatic mean

A

carbon atoms are joined to each other in unbranched (straight) or branched chains, or non-aromatic rings

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8
Q

what does alicyclic mean

A

carbon atoms are joined to each other in a cyclic structure (with or without branches)

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9
Q

what does aromatic mean

A

some or all of the carbon atoms are found in a benzene ring

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10
Q

what are the names of the different functinal groups

A

alcohol, carboxylic acid, ketone, aldehyde

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11
Q

alcohol suffix and group

A

-ol
OH group

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12
Q

carboxylic acid suffix and group

A

-anoic acid
COOH group

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13
Q

ketone suffix and group

A

-one
O (oxygen) group (not off the last carbon)

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14
Q

aldehyde suffix and group

A

-al
O (oxygen) group e(off the last carbon)

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15
Q

empirical formula definition

A

the simplest whole number ratio of atoms in a molecule

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16
Q

molecular formula definiton

A

the amount of atoms of each element in a molecule

17
Q

bond angles of alkanes

A

109.5

18
Q

what shape are alkanes

A

tetrahedal

19
Q

what happens to an aklane’s boiling/melting point if branching increases

A

the b/m point decreases

20
Q

what happens to an aklane’s boiling/melting point if the chain length increases

A

the b/m point increases

21
Q

what is a single covalent bond called

A

sigma bond

22
Q

what is a sigma bond?

A

the overlapping of atomic orbitals
(they are free to rotate)