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ORG CHEM LEC > MOD 5 > Flashcards

MOD 5 Flashcards

1
Q

Are compounds having the SAME NUMBERS 7 KINDS of atoms but DIFFER in the way the atoms are ARRANGED.

A

ISOMERS

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2
Q

Different carbon skeletons

A

SKELETAL

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3
Q

Different functional groups

A

FUNCTIONAL

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4
Q

Different position of functional groups

A

POSITIONAL

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5
Q

the branch of chemistry concerned with the 3D STRUCTURES of molecules.

A

STEREOCHEMISTRY

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6
Q

– Same molecular formula and constitution but different spatial (3D) arrangement of atoms
–SAME CONNECTIVITY

A

STEREOISOMERS

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7
Q

Different arrangement due to rotation around a SINGLE BOND

A

CONFORMERS / ROTAMERS

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8
Q

wedge line

A

FRONT

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9
Q

dashed line

A

BACK

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10
Q

solid lines

A

AT THE PLANE

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11
Q

– The LOWEST-ENERGY, MOST STABLE conformation
– all six C–H bonds are as FAR AWAY from one another as possible

A

STAGGERED

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12
Q

– The HIGHEST-ENERGY, LEAST STABLE conformation
– six C–H bonds are as CLOSE as possible

A

ECLIPSED

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13
Q

methyl groups are FARTHEST apart

A

ANTI

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14
Q

REPULSION as a result of trying to occupy the SAME SPACE

A

STERIC STRAIN

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15
Q

cis

A

same side

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16
Q

trans

A

not same side

17
Q

higher-priority groups on each carbon are on OPPOSITE SIDE of the double bond

18
Q

higher-priority groups are on the SAME SIDE

19
Q

Any object can be viewed in a mirror, revealing its MIRROR IMAGE.

20
Q

The mirror image is IDENTICAL to the actual object.

A

SUPERIMPOSABLE

21
Q

The object and its mirror image are DIFFERENT.

A

NONSUPERIMPOSABLE

22
Q

The presence of a carbon atom bonded to FOUR DIFFERENT GROUPS

A

STEREOCENTER / CHIRALITY CENTER

23
Q

A molecule is ____ if it contains a plane of symmetry.

24
Q

Measures the amount of rotation

A

POLARIMETER

25
Q

Ability to rotate a beam of plane-polarized light

A

OPTICAL ACTIVITY

26
Q

to the right (clockwise)

A

Dextrorotatory

27
Q

to the left (counterclockwise)

A

Levorotatory

28
Q

50:50 mixture of enantiomers

A

RECEMETES / RACEMIC

29
Q

Stereoisomers that are NONSUPERIMPOSABLE mirror image

A

ENANTIOMERS

30
Q

Stereoisomers that are NOT mirror images of each other

A

DIASTEREOMERS

31
Q

Compounds that are ACHIRAL, yet contain stereocenters

A

MESO COMPOUNDS

32
Q

Objects that are NOT SUPERIMPOSABLE on their mirror images are called ___objects.

33
Q

Priority substituent (1 → 2 → 3) is CLOCKWISE

34
Q

If an arrow from 1 → 2 → 3 is COUNTERCLOCKWISE

35
Q

a commonly prescribed medication sold under the trade name Prozac

A

Fluoxetine

36
Q

an extraordinarily effective antidepressant, but it has NO ACTIVITY AGAINST MIGRAINE.

A

RACEMIC FLUOXETINE

37
Q

works remarkably well in preventing migraine and is now undergoing clinical evaluation.

A

PURE S ENANTIOMER

ORG CHEM LEC (11 decks)

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