Chapter 5

Question 1

Achiral

Answer 1

If molecule with more than one chiral center has a plane of symmetry or center of symmetry

Question 2

R-Configuration

Answer 2

Clockwise Rank

Question 3

S-Configuration

Answer 3

Counter-clockwise

Question 4

Diastereomer

Answer 4

Vary by 2 configurations

Question 5

Meso Compound

Answer 5

2 or more EVEN # chiral centers but are ARCHIRAL because have a plane of symmetry or center of symmetry

Question 6

Concerted

Answer 6

If bond breaking & forming occurs at same time

Question 7

If Keq > 1, then…

Answer 7

Reaction will go to the right.

Question 8

If Keq > 1, will the reaction be Exergonic or Endergonic?

Answer 8

Exergonic

Question 9

If Keq

Answer 9

Endergonic

Question 10

Will an Exergonic reaction be spontaneous?

Answer 10

Yes

Question 11

Will an Endergonic reaction be spontaneous?

Answer 11

No

Question 12

Will an Exergonic reaction release energy to surroundings?

Answer 12

Yes

Question 13

Will an Endergonic reaction release energy to surroundings?

Answer 13

No, energy is consumed.

Question 14

Will [P] be favored in an Endergonic reaction?

Answer 14

No

Question 15

Will [P] be favored in an Exergonic reaction?

Answer 15

Yes

Question 16

If deltaH is negative, then…

Answer 16

The change is given off, Exothermic

Question 17

If deltaH is positive, then…

Answer 17

The change is absorbed, Endothermic

Question 18

Enthropy, deltaS

Answer 18

Measure of disorder of the system, temperature dependent

Question 19

Enthalpy, deltaH

Answer 19

Heat of reaction, measures change in total bonding E

Question 20

If deltaS is positive & Gibbs Free Energy, formation of [P] is…

Answer 20

Favorable

Question 21

Bond dissociation Energy

Answer 21

The amount of E to break a given bond & produce 2 Rs

Question 22

Unsaturated Compounds have what types of bonds?

Answer 22

Multiple Bonds

Question 23

E Nomenclature

Answer 23

If 2 priorities are on OPPOSITE side, Enemy

Question 24

Z Nomenclature

Answer 24

If 2 priorities are on same side

Question 25

Enantiomer

Answer 25

When mirror images aren’t superimposable; at least 1 tetrahedral carbon

Question 26

Hydroboration Steroeochemistry

Answer 26

Syn-addition anti-Markovnikov

Question 27

Br2 or Cl2 Addition Stereochemistry

Answer 27

Trans, 1,2-diol

Question 28

Halohydrin Stereochemistry

Answer 28

1,2-halo alcohol, aromatic rings don’t react

Question 29

Oxymercuration Stereochemistry

Answer 29

Anti-addition, Markovnikov

Question 30

Hydrogeneration Stereochemistry

Answer 30

Syn-addition, SELECTIVE for C-C double bond

Question 31

What are Epoxidation Reactions reaction & products?

Answer 31

Reactants: Alkene, peracid
Products: Opoxide, Carboxylic Acid

Question 32

What are Hydroboration Reactions reaction & products?

Answer 32

Reactants: BH3, THF, Alkene w/ R group

Question 33

What are Halohydrin Reactions reaction & products?

Answer 33

Reactants 1: Alkene, Br2
Product 1: Alkane with Br party hat
Reactants 2: Product 1, water
Product 2: Alkane with Br on a C & Water on other (anti)
Reactants 3: Product 2, water
Product 3: Alkane with Br on a C and OH on other (anti)

Question 34

What are Oxymercuration Reactions reaction & products?

Answer 34

Reactants 1: Alkene with R group, Mercury thing
Products 1: Alkane with Mercury party hat
Reactants 2: Product 1, Water, THF
Products 2: Alkane w/ Mercury on a C, Water on other (anti)
Reactants 3: Product 2, water
Product 3: Alkane w/ Mercury on C, OH on other (anti)
Reactants 4: Product 4, NaBH4
Product 4: Alkane w/ OH on C w/ RGroup, H on other C (anti)

Question 35

What are Halohydration Reactions reaction & products?

Answer 35

Reactant 1: Alkene, Cl2, water
Product 1: Alkane w/ OH on C & X on other
Reactants 2: Product 1, OH-
Products 2: Alkane w/ O- and X
Reactants 3: Product 2, Alkane w/ O party hat