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Organic Chemistry > Organic Chemistry 2 > Flashcards

Organic Chemistry 2 Flashcards

1
Q

What is the empirical formula?

A

The simplest whole number ration of each number in a compound e.g CH2 is the empirical formula for C4H8

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2
Q

What is molecular formula?

A

Molecular formula is the actual whole number ratio of each atom in a compound

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3
Q

What is structural formula?

A

The graphical representation of each atom in a molecule of a compound e.g CH3CH2CH3, Propane

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4
Q

What is displayed formula?

A

This shows the bonds in a molecule

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5
Q

What is general formula?

A

A formula that shows the composition of any member of an entire class of compounds e.g CnH2n+2

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6
Q

What is a functional group?

A

A group of atoms that are responsible for the reactions of particular compounds e.g C2H5OH (the OH makes this compound an alcohol)

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8
Q

What is a isomer?

A

Compounds that have the same molecular formula but have different displayed formulas.

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9
Q

What is a saturated hydrocarbon?

A

A saturated hydrocarbon contains single bonds between carbon the atoms

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10
Q

What is a unsaturated hydrocarbon?

A

A hydrocarbon that contains a double bond between its carbon atoms

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11
Q

What is viscosity?

A

How difficult it is for a liquid to flow

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12
Q

What is volatility?

A

How easy it is for a substance to turn into a gas

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13
Q

What is a fraction?

A

A group of hydrocarbons extracted from crude oil that have very similar boiling points

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14
Q

What is boiling point?

A

The point at which a substance changes from a liquid to gas

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15
Q

What is a homologous series?

A

A group of elements that have similar chemical properties, same general formula, same functional group and have a trend in physical properties

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16
Q

What is the general formula for Alkenes?

A

CnH2n

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17
Q

What is the general formula for Alkanes?

A

Cn2n+2

18
Q

What is ethene used for as a polymer?

A

Plastic bags & plastic milk bottles

19
Q

What is chloroethene used for as a polymer?

A

Drainpipes & window frames & electrical insulation

20
Q

What is propene used for as a polymer?

A

Synthetic ropes & plastic crates

21
Q

What is tetra-fluoroethene used for as a polymer?

A

Non stick coatings

22
Q

What are the problems of polymer disposal?

A

Landfill: don’t biodegrade (unreactive)
Incineration: can produce TOXIC gases
Recycling: require sorting and public cooperation

Organic Chemistry (2 decks)

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