Struggle Deck

Question 1

Will a halogen make a stronger bond with a more or less substituted carbon?

Answer 1

less substituted

Question 2

allyl group

Answer 2

Question 3

True/False: Some optically active compounds are not polar.

Answer 3

False

Question 4

In deuterated cyclohexane, is D more stable axial or equatorial?

Answer 4

axial

Question 5

Isopropyl group

Answer 5

Question 6

How does increased branching in a hydrocarbon affect its density?

Answer 6

Density increases.

Question 7

IR absorbance for carboxylic acid

Answer 7

broad peak around 2800 cm^-1

Question 8

What is an oxo substituent?

Answer 8

It is a ketone group.

Question 9

ethoxy group

Answer 9

Question 10

What defines a primary amine?

Answer 10

a nitrogen bonded to 2 hydrogens and one carbon

Question 11

How does an electron-withdrawing group affect acidity and basicity?

Answer 11

It increases acidity and decreases basicity.

Question 12

An ester is treated with acidic water. What are the products?

Answer 12

It undergoes hydrolysis to produce an alcohol and a carboxylic acid.

Question 13

vinyl group

Answer 13

Question 14

How, specifically, does increasing temperature affect reaction rates?

Answer 14

It increases reaction rates by providing greater energy for breaking bonds.

Question 15

What does a higher numerical value of heat of hydrogenation (delta H) imply about the stability of an alkene?

Answer 15

it is less stable

Question 16

Which is the strongest acid: H on an sp-hybridized or sp³-hybridized atom?

Answer 16

H on an sp-hybridized atom

Question 17

benzyl group

Answer 17

Question 18

Is a more or less substituted alkene stronger?

Answer 18

more substituted

Question 19

What does an equilibrium constant indicate when it is greater than 1?

Answer 19

The reaction is favorable in the forward direction (there are more products than reactants).

Question 20

Which is the strongest base: a lone pair on an sp-hybridized atom or sp³-hybridized atom?

Answer 20

lone pair on an sp³-hybridized atom

Question 21

Does a more or less stable reactant produce a higher heat energy upon reaction?

Answer 21

less stable

Question 22

What does CrO₃ with an acid do to a compound?

Answer 22

It can oxidize the compound.

Question 23

Which is the strongest nucleophile? - ester - ether - amide - amine

Answer 23

amine

Question 24

What is the unbalanced equation for the combustion of a hydrocarbon?

Answer 24

CH₄ + O₂ ► CO₂ + H₂O

Question 25

tert-butyl group

Answer 25

Question 26

phenyl group

Answer 26

Question 27

What property of fatty acids gives them at least one unit of unsaturation?

Answer 27

carboxyl group

Question 28

If atmospheric pressure decreases, does boiling point increase or decrease?

Answer 28

boiling point decreases

Question 29

How does resonance affect acidity?

Answer 29

It increases acidity because the negative charge can be shifted throughout the compound.

Question 30

An absorbance in UV spectroscopy indicates what component of a compound is present?

Answer 30

a pi bond

Question 31

acetyl group

Answer 31

Question 32

Define boiling point in terms of two types of pressure

Answer 32

Boiling point of liquid is when the vapor pressure of the liquid = atmospheric pressure

Question 33

How do double bonds affect melting point?

Answer 33

melting point decreases

Question 34

If a carbon has 4 distinct substituents, one H and one ²H, is it considered chiral?

Answer 34

Yes

Question 35

What is an aldose?

Answer 35

carbohydrate with an aldehyde functional group

Question 36

When an asymmetric diene and asymmetric dienophile react, how many structural isomers are formed?

Answer 36

2

Question 37

Comparing log numbers 2 and 3, how do these compare to 0?

Answer 37

2 = 100 times greater than 0 3 = 1000 times greater than 0

Question 38

Upon combustion, does a less or more stable molecule release more energy?

Answer 38

The less stable molecule yields more energy.