Organic Definitions Flashcards

1
Q

What is a carbocation?

A

A very reactive species with a positive charge on a carbon atom

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2
Q

What is a chain isomer?

A

Isomers in which the carbon atoms in the chai are arranged in a different pattern

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3
Q

Define cracking

A

A process by which large molecules are broken down into smaller molecules

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4
Q

Define dehydration

A

A reaction that involves the loss of a water molecule

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5
Q

What is an electrophile

A

An electron deficient species that can accept a lone pair of electrons

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6
Q

What is an Elimination reaction?

A

A reaction in which a double bond is formed as a small molecule is lost from a saturated compound

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7
Q

What is fractional distillation?

A

A process that separates the hydrocarbons present in petroleum according to their boiling points

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8
Q

What is a free radical?

A

A very reactive species with an unpaired electron

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9
Q

What are functional groups?

A

The atom or group of atoms responsible for the chemical properties of an organic molecule

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10
Q

What is functional group isomerism?

A

Isomers that have the same molecular formula but contain different functional groups

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11
Q

What are E Z isomers?

A

Isomers in which the presence of a double bond results in the different orientation of some atoms or groups of atoms within the molecules

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12
Q

What is a hydrocarbon?

A

A compound containing the elements carbon and hydrogen only

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13
Q

What is hydrogenation?

A

A reaction in which hydrogen is added to a compound

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14
Q

What is an intermediate?

A

A species that is found and used up during a reaction

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15
Q

What is a molecular ion?

A

A molecule that has gained or lost an electron

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16
Q

What is a nucleophile?

A

A species that can donate a lone pair of electrons to an electron deficient carbon atom

17
Q

What is a polymer?

A

A large molecule made by joining together many thousands of smaller molecules

18
Q

What are position isomers?

A

Isomers in which the functional group is attached to different carbon atoms

19
Q

What is reflux?

A

A method of prolonged heating without loss by evaporation

20
Q

What is a saturated compound?

A

A compound in which the covalent bonds are all single bonds

21
Q

What are stereoisomers ?

A

Molecules with the same structural formula which differ in the orientation of some atoms or groups of atoms

22
Q

What is the structural formula?

A

A formula which shows how the atoms are arranged in a molecule

23
Q

What are structural isomers?

A

Molecules with the same molecular formula but with different arrangements of atoms within the molecule

24
Q

What is substitution?

A

A reaction in which an atom or a group of atoms is replaced by a different atom or group of atoms

25
Q

What is an unsaturated compound?

A

A compound containing one or more multiple covalent bonds

26
Q

What are the 5 types of isomerism?

A

Chain isomers, functional group isomers, e z isomers, structural isomers and position isomers

27
Q

What is an addition reaction?

A

A reaction in which a molecule is added across a double bond, resulting in a saturated product