Exambusters Study Cards 18 Organic Chemistry – Flashcards

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Monosaccharide
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A basic carbohydrate with a six-carbon formula.

e.g. glucose, fructose.

Can not be broken down further into simpler sugars.

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Polysaccharide
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Made of more than one monosaccharide.

e.g. starch, cellulose, dextrin.

Can be broken down to monosaccharide molecules by hydrolysis.

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Primary Alcohol
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The OH- group is attached to the end carbon of the chain.
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Secondary Alcohol
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The carbon bearing the OH- group is directly attached to two other carbons.
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Carbohydrate
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Compounds made of carbon, hydrogen, and oxygen. Usually the H:O ratio is 2:1

e.g. sugars and starches

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How are ketones formed?
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By the oxidation of a secondary alcohol.
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Amino Acid
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Organic compounds which contain an amine and a carboxyl group.

H

'

;; H2N - C - COOH

;'

  R

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How is an ether formed?
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By reacting two primary alcohols.
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Esterification
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A reaction between an organic acid and an alcohol to form an ester.
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Ester
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A hydrocarbon containing an ester functional group. R-O-C-R

    "

    O

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Ether
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A hydrocarbon containing an ether functional group. R-O-R
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Carboxylic Acid
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A hydrocarbon containing the carboxyl functional group.

     R-C-O-H

 "

 O

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Alcohol
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Hydrocarbons which contain the hydroxyl functional group (OH-) attached to a saturated carbon.

R-O-H

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Polymerization
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The combination of two or more unsaturated molecules to form a larger chain molecule. This is how plastics are made.
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Cracking
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During cracking, long chain hydrocarbons are broken down into smaller molecules.

e.g. C16H34 → C8H18 + C8H16

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Isomer
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Compounds with the same molecular formula but different structural formulas (different connectivity).
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Aromatic Compounds
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Unsaturated ring structures with six carbon atoms. General formula: CnH2n-6

Benzene is the simplest aromatic.

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Are alkanes saturated or unsaturated?
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Saturated
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Are alkenes saturated or unsaturated?
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Unsaturated
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Are alkynes saturated or unsaturated?
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Unsaturated
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Substitution Reaction
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A reaction where one of the hydrogen atoms in a hydrocarbon is replaced by another.
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Which elements commonly substitute in alkanes?
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Usually a halogen substitute in alkanes.

e.g. CH4 + Br2 ↔ CH3Br + HBr

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Prefixes for naming hydrocarbons: one
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meth
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Prefixes for naming hydrocarbons: two
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eth
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Prefixes for naming hydrocarbons: three
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prop
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Prefixes for naming hydrocarbons: four
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but
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Prefixes for naming hydrocarbons: five
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pent
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Prefixes for naming hydrocarbons: six
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hex
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Prefixes for naming hydrocarbons: seven
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hept
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Prefixes for naming hydrocarbons: eight
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oct
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Prefixes for naming hydrocarbons: nine
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non
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Prefixes for naming hydrocarbons: ten
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dec
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Alkene
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A series of hydrocarbons containing at least one double covalent bond. General formula: CnH2n
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Basic facts about carbon bonding.
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carbon forms more compounds than any other element each atom

carbon requires 4 covalent bonds

carbon can form long chains and rings

carbon bonds commonly to O, H, N, S, P, and halogens

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Organic Chemistry
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The chemistry of carbon compounds
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Hydrocarbon
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Compounds containing only carbon and hydrogen.
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Alkane
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A series of hydrocarbons with only single covalent bonds. General formula: CnH2n+2
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Alkyne
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A series of hydrocarbons containing at least one triple covalent bond. General formula: CnH2n-2
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Name for alkane with one carbon in a molecular chain
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methane
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Name for alkane with two carbons in a molecular chain
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ethane
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Name for alkane with three carbons in a molecular chain
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propane
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Name for alkane with four carbons in a molecular chain
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butane
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Name for alkane with five carbons in a molecular chain
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pentane
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Name for alkane with six carbons in a molecular chain
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hexane
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Name for alkane with seven carbons in a molecular chain
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heptane
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Name for alkane with eight carbons in a molecular chain
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octane
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Name for alkane with nine carbons in a molecular chain
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nonane
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Name for alkane with ten carbons in a molecular chain
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decane
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Cycloalkane
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An alkane which has a ring structure instead of a chain. e.g. benzene
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Addition Reaction
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In an unsaturated hydrocarbon, two atoms may be added to the structure across a double or triple bond.

e.g. C2H2 + Br2 ↔ CH2Br2

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Alkylation
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The combining of a saturated alkane with an unsaturated alkene.

e.g. C4H10 + C4H8 ↔ C8H18

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Hydrogenation
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The process of adding hydrogen to an unsaturated hydrocarbon.
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Dehydrogenation
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The process of removing hydrogen from a hydrocarbon.
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Aldehyde
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A hydrocarbon containing the aldehyde functional group. R-C-H

"

O

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Ketone
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A hydrocarbon containing a ketone functional group. R-C-R

"

O

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Amine
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A hydrocarbon containing an amine functional group. R-NH2
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