Ch. 4 Organic Compounds (test 2)

Question 1

How do condensed structural formula and skeletal structures differ from the electron dot and line-bond structures?

Answer 1

Condensed structural formula and skeletal structures are a type of shorthand that makes it easier to write out larger formula and structures without clutter.

Question 2

Intermolecular Forces (IMF) are interactions between ______.

Answer 2

Molecules

Question 3

Intermolecular Forces (IMF) do not involve the sharing of ________.

Answer 3

VE’s

Question 4

Nonpolar molecules or nonpolar parts of molecules are attracted to one another by ________.

Answer 4

London Forces

Question 5

_______is the result of the continuous motion of e’s w/in an atom or a compound.

Answer 5

London Forces

Question 6

A _____ London force exists between small molecules.

Answer 6

Weak

Question 7

A _____ London force exists between larger molecules.

Answer 7

Stronger

Question 8

What type of bonding is taking place?

Answer 8

Hydrogen Bonding

(N, O, F)

Question 9

What type of bonding is taking place?

Answer 9

Hydrogen Bonding

(N,O, F)

Question 10

What type of bonding is taking place?

Answer 10

London Forces

Question 11

What type of bonding is taking place?

Answer 11

Dipole-dipole

&

Hydrogen bonding

Question 12

Hydrocarbons

Alkanes:

Key features?

Saturated or Unsaturated?

Name?

Answer 12

Atoms joined by single bonds

Saturated

Propane

Question 13

Hydrocarbons

Alkenes:

Key features?

Saturated unsaturated?

Name?

Answer 13

At least one carbon to carbon double bond

Unsaturated

Propene

Question 14

Hydrocarbons

Alkynes:

Key features?

Saturated unsaturated?

Name?

Answer 14

At least one carbon to carbon triple bond

Unsaturated

Propyne

Question 15

Hydrocarbons

Aromatic Compounds:

Key features?

Saturated unsaturated?

Name?

Answer 15

Ring of alternating single and double bonds

Unsaturated

Benzene

Question 16

Hydrocarbons

Double bonds are Saturated or Unsaturated?

Answer 16

Unsaturated

Question 17

IUPAC Naming

Meth

Answer 17

of carbons: 1

Question 18

IUPAC Naming

Eth

Answer 18

of carbons: 2

Question 19

IUPAC Naming

Prop

Answer 19

of carbons: 3

Question 20

IUPAC Naming

But

Answer 20

of carbons: 4

Question 21

IUPAC Naming

Pent

Answer 21

of carbons: 5

Question 22

IUPAC Naming

Hex

Answer 22

of carbons: 6

Question 23

IUPAC Naming

Hept

Answer 23

of carbons: 7

Question 24

IUPAC Naming

Oct

Answer 24

of carbons: 8

Question 25

_IUPAC Naming_ Non

Answer 25

of carbons: 9

Question 26

_IUPAC Naming_ Dec

Answer 26

of carbons: 10

Question 27

_IUPAC Naming_ *-**yl* indicates what?

Answer 27

A branch.

Question 28

Alkanes contain only ________ covalent bonds, are _______ molecules, and are attracted to one another by London forces.

Answer 28

Nonpolar Nonpolar

Question 29

A branch can only attach to middle carbons. Why?

Answer 29

If it attached on the end carbon it wouldn't be a branch, it would be part of a chain of carbons.

Question 30

Alkanes are compounds with _____ bonds.

Answer 30

Single

Question 31

Constitutional isomers always have a different ______ from one another.

Answer 31

Name

Question 32

Naming constitutional isomers

Answer 32

Hexane

Question 33

Naming constitutional isomers

Answer 33

2-Methylpentane

Question 34

Naming constitutional isomers

Answer 34

3-Methylpentane

Question 35

Naming constitutional isomers

Answer 35

2,2- Dimethylbutane

Question 36

Naming constitutional isomers

Answer 36

2,3-Dimethylbutane *(no cis or trans because freedom of rotation)*

Question 37

*Cyclo-* indicates what?

Answer 37

That the carbon chain is in a circle.

Question 38

\_\_\_\_\_\_ and _____ cause restricted rotation.

Answer 38

Double bonds Rings

Question 39

\_\_\_\_\_\_\_\_\_ allows for freedom of rotation.

Answer 39

Single Bonds

Question 40

Geometrical Isomers come in pairs, one is _____ and one is \_\_\_\_\_.

Answer 40

Cis Trans

Question 41

Naming Geometric Isomerism-(Stereoisomers)

Answer 41

cis-2-Butane

Question 42

Which two hydrocarbons can exist as geometric isomers and why?

Answer 42

Alkenes and Aromatic compounds They do not allow freedom of rotation and will allow for geometric isomers. *(cis & trans)*

Question 43

Functional Groups: -OH is found in \_\_\_\_\_\_.

Answer 43

Alcohol

Question 44

Functional Groups: All alcohols contain a ________ functional group that is attached to an alkane-type carbon atom.

Answer 44

Hydroxyl (-OH)

Question 45

Functional Groups: Carboxylic acids contain a carbobxyl functional group, which is the combination of a _________ group and a _______ group.

Answer 45

Hydroxyl (-OH) group Carbonyl (C=O) group

Question 46

Functional Groups: What type of functional group is this?

Answer 46

Carboxylic O=C - O-H

Question 47

Functional Groups: Which type of functional group is this?

Answer 47

Alcohol