Ch12 Basic concepts in organic chemistry Flashcards

1
Q

Functional group

A

structural feature, group of atoms or a single atom that determines chemistry of a compound

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2
Q

Homologous series

A

group of compounds that have same general formula and contain same functional group with similair chemical properties

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3
Q

alkane general formula

A

CnH2n+2

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4
Q

alkene general formula

A

CnH2n

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5
Q

alcohol general formula

A

CnH2n+1OH

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6
Q

Haloalkane general formula

A

CnH2n+1X

x = Cl, Br or I

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7
Q

Aldehyde general formula

A

CnH2nC=OH

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8
Q

Ketone general formula

A

CnH2n+1C=OCnH2n+1

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9
Q

Carboxylic acid general formula

A

CnH2n+1C=OOH

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10
Q

Amine general formula

A

CnH2n+1NH2

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11
Q

stem name of longest straight chain compared to number of carbons

A

1meth
2 eth
3 prop
4 but
5 pent
6 hex
7 hept
8 oct
9 non
10 dec

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12
Q

Molecular formula

A

the actual number of atoms of each element in a molecule

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13
Q

Empirical formula

A

simplest whole number ratio of elements in a compound

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14
Q

Structural isomers

A

compounds that have the same molecular formula but different structural formula

chain, positional and functional group

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15
Q

Chain structural isomers

A

compounds that have differences in chain length but have the same molecular formula

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16
Q

Positional isomers

A

Compounds that differ by the position of their functional group or groups but have same molecular formula

17
Q

Functional group isomers

A

Compounds that have the same molecular formula but different functional groups

18
Q

Carbon bonding

A

when carbon forms bonds with other atoms, one of the 2s electrons is promoted to the 3rd 2p orbital

this leaves carbon with 4 unbonded electrons so can form four sigma bonds

19
Q

C-H bonds

A

in CH4 the bond angle is 109.5
Carbon is more electronegative so the bond is slightly polar

20
Q

Asymmetrical organic molecules

A

haloalkanes
alcohols
therefore they are polar and electrons move in a sigma bond(inductive effect)

21
Q

aliphatic

A

compound containing carbon and hydrogen in straight chains, branched chains or non-aromatic rings

22
Q

aromatic

A

a compound containing a benzene ring