Stereochemistry

Question 1

chirality

Answer 1

the ability to exist in two non-superimposable mirror-image forms

Question 2

entaniomers

Answer 2

a pair of non-superimposable mirror-image molc

Question 3

sterioisomers

Answer 3

isomers that have the same connectivity of atoms but different spacial arrangements

Question 4

asymmetric carbons

Answer 4

a carbon that has 4 different groups attached to it

aka chiral carbons

Question 5

chiral center

Answer 5

an atom holding a set of groups in a spacial arrangement that is not superimposable on its own mirror image

Question 6

stereocenter

Answer 6

any atom at which the interchange of two groups gives a stereoisomer

Question 7

the 2^n rule

Answer 7

a molecule with n chiral centers can have a maximum of 2^n stereoisomers

Question 8

absolute configuration

Answer 8

description of the spacial arrangement of the groups attached to a chiral center

Question 9

R/S nomenclature convention

Answer 9

used to assign absolute configuration

uses the Cahn-Ingold-Prelog Priority system to prioritize groups attached to the chiral carbon

Question 10

Optical activity

Answer 10

rotation of the plane of plane-polarized light

Question 11

optically active

Answer 11

a molecule rotates the plane-polarized light

Question 12

dextrorotatory enantiomer

Answer 12

an enantiomer that rotates plane-polarized light clockwise (+)

Question 13

levorotatory enantiomer

Answer 13

an enantiomer that rotates the plan-polarized light counterclockwise (-)

Question 14

Racemic mixture

Answer 14

equal amounts of (+) and (-) enantiomers

Question 15

specific rotation

Answer 15

rotation induced by 1 g/ my of solution

Question 16

meso compound

Answer 16

achiral compound containing chiral centers