Shapes 2 Lecture 2 Flashcards

1
Q

to change conformation you must

A

rotate single bond

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2
Q

what must not happen to conformation change

A

bonds breaking

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3
Q

steroisomers have

A

different configurations

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4
Q

Compounds with different configurations are called stereoisomers

A

configurations can be interconverted only by breaking bonds.

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5
Q

what causes barriers to rotation

A

conjugation between the double bond

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6
Q

equatorial

A

the periphery of the carbon ring

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7
Q

axial

A

aligned parallel to the symmetry axis of the ring.

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8
Q

steric strain

A

Steric strain is the increase in potential energy of a molecule due to repulsion between electrons in atoms that are not directly bonded to each other.

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9
Q

Steric effects are

A

the effect on molecules of the repulsive force of electrons trying to get as far away from each other as possible.

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