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Fun.Chem. > Alkanes > Flashcards

Alkanes Flashcards

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1
Q

Alkane Outline

A

Saturated Hydrocarbons (only single bond) compounds. sp3 orbitals with sigma bonding

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2
Q

Undec Def

A

11 Carbons

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3
Q

Alkane C to C bond angles

A

109 degrees

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4
Q

Why we are carbon based life forms

A

Carbon is flexible to enviorments. Creates more structural isomers

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5
Q

IUPAC Def

A

Universal language of science

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6
Q

alkyl groups

A

Alkane that lost a H

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7
Q

How do you prrioritise between 2 locants of equal distance from C chain ends

A

Alphabetical order

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8
Q

Isoalkyl Def

A

Remove H from a C in the middle of the C chain.

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9
Q

Relationship Between Boiling Point and C chain length

A

Longer C chain = higher boiling points

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10
Q

Alkane chain polarity

A

Lipophilic. Doesn’t dissolve in water. Lighter then water

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11
Q

Primary Carbon def

A

Only 1 other C is attached

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12
Q

State of alkanes with chains 1-4 at room temp

A

Gast

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13
Q

States of alkanes with chains 5-17 at room temp

A

liquid

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14
Q

Staes of alkanes with chain >18 at room temp

A

waxy solids

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15
Q

Relationsgip between branching and boiling pint

A

Increased branching = increased boiling point

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16
Q

Phospholipid Alkanes

A

Make up semi-permeable membranes. Have hydrophilic and hydrophobic components. Enables cells to function

17
Q

Confirmations Def

A

How C rotates around a sigma bond and C align

18
Q

What angle does rotates to form confirmational isomers

A

60 degrees

19
Q

Eclipsed Def

A

Cs overlap. C-s in U shape configuration with bond. Has more energy and thus less thermodynamicallt stable

20
Q

Staggered Def

A

Cs are at 60 degree angles. Cs in S shape configuration. Lower energy stae and thus more thermodynamically stable

21
Q

Chiral Carbons Conditions

A

C must have 4 sigma (saturated) bonds. Bonds must be made with 4 different substituents (as a whole, not just 1 atom)

22
Q

Diffreneces between stereoisomers

A

Have different chemical effects in body. Drugs are mirror images

Fun.Chem. (19 decks)

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