Organic Chemistry Chapter 3 Flashcards

1
Q

Alkanes are

A

molecules with multiple carbon carbon single bonds/ saturated hydrocarbons

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2
Q

Saturated Hydrocarbons are

A

molecules with C-C and C-H single bonds

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3
Q

What does it mean if a compound is Aliphatic Alkane

A

it is a fatty compound

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4
Q

Straight Chain Alkanes are

A

carbons in an alkane connected via single row

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5
Q

Branched Chain alkanes are

A

carbons in an alkans whos chain is branched

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6
Q

Isomers are

A

compounds that have same number and kind of atoms but differ in the way the atoms are arranged

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7
Q

Constitutional Isomers are

A

isomers with atoms who are all connected differently so it . has the same molecular formula but different functional groups, properties etc

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8
Q

Alkyl Groups

A

partial structure that is remaining after removal of an hydrogen atom from an alkane. Not stable but part of a larger compound. Removal of hydrogen from an alkane results in name to go from ane- yl. (methane to methyl)

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9
Q

Straight Chain Alkyl Groups are

A

alkyl groups whos hydrogen is removed from an end carbon

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10
Q

Branched Chain Alkyl Groups are

A

generated from removing a hydrogen from an internal carbon atom

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11
Q

What is the trend of Alkane boiling and melting points and why

A

Increases with molecular weight (more carbons), happens because of presence of weak dispersion forces between molecules

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12
Q

Stereochemistry

A

branch of chemistry defined with 3 dimensional aspects of molecules

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13
Q

Conformations

A

Different arrangement of atoms that result from bond rotation

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14
Q

Conformers

A

molecules that have different arrangements called conformational isomers or Conformers

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15
Q

what are the 2 ways of representing conformational isomers?

A
  1. Sawhorse representaiton (views bonds from an oblique angle and indicates special orientation)
  2. Newman Projection
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16
Q

What is a Newman projection

A

carbon-carbon directly end on and represent 2 carbon atoms in a circle

17
Q

What is the general pattern of a Newman Projection

A

Bonds attached to front carbon are repped by lines to center of circle and bonds
Bonds attatched to rear carbon are repped by lines to edge of circle