Old Chapter - Alkanes And Stereoisomers

Front 1

What is the modern def. of Organic Chemistry?

Back 1

The study of C-C bonded Chemicals

Front 2

What is the old def. of Organic Chemistry?

Back 2

The study of carbon containing compounds

Front 3

What is a C-C triple bonded compound called?

Back 3

Alkyne

Front 4

What is the common name of Ethyne?

Back 4

Acetylene

Front 5

What is Vitalism?

Back 5

The theory that stated that living organism were necessary to make an organic compound

Front 6

What organic compound was first isolated in 1828?

Back 6

Urea by Whöler

Front 7

Hydrocarbon compounds with alternating single and double bonds are called:

Back 7

Aromatic

Front 8

Hydrocarbons with out alternating single and double bonds are called:

Back 8

Aliphatics

Front 9

This is an example of what type of sturcture?
CH2CH(CH3)CH3

Back 9

Condensed

Front 10

What is the formula for acyclic hydrocarbons?

Back 10

CnH(2n+2)

Front 11

What is the formula for cyclic hydrocarbons and HC with double bonds?

Back 11

CnH2n

Front 12

The zig-zag line is an example of what type of structure:

Back 12

Backbone or Skeleton

Front 13

The 'n' in the name implies that there are?

Back 13

No branches off the main chain

Front 14

CH3(CH2)2CH3 and CH3CH(CH3)CH3 are what to each other?

Back 14

Structural isomers

Front 15

Molecules with the same molecular formula but different atom to atom structure:

Back 15

Structural isomers

Front 16

How many structural isomers of pentane are there?

Back 16

3

Front 17

How many structural isomers of hexane are there?

Back 17

5

Front 18

Name the five structural isomers of hexane:

Back 18

n-hexane ; 2-methypentane ; 3-methylpentane ; 2,3-dimethylbutane ; 2,2-dimethylbutane

Front 19

What does IUPAC stand for?

Back 19

International Union of Pure and Applied Chemistry

Front 20

What are the three parts of the IUPAC naming system?

Back 20

Prefix = what groups are and their location
Root = # c in longest chain
Suffix = type of bonds in main chain

Front 21

Name the roots in order of 1 to 12 and 20:

Back 21

Meth, eth, prop, but, pent, hex, hept, oct, non, dec, undec, dodec, eicosane

Front 22

As the hydrocarbon chain grows longer, what happens to the boiling and melting point?

Back 22

It increases

Front 23

As the hydrocarbon chain gets more branches, what happens to the boiling and melting point?

Back 23

It increases

Front 24

As the hydrocarbon chain gets longer, what happens to the flamibility?

Back 24

It decreases

Front 25

What is the ending of hydrocarbon aklane groups?

Back 25

Root + yl

Front 26

What is the ending of halogen groups?

Back 26

Root + o

Front 27

What is this group:
CH3(CH2)3---

Back 27

butyl

Front 28

What is this group:
CH3CH2CHCH3
|

Back 28

secbutyl

Front 29

What is this group:
(CH3)3C-

Back 29

Tertbutyl

Front 30

What is this group:
CH3CH2(CH3)CH2-

Back 30

isobutyl

Front 31

A carbon that has 3 other carbons attached is called:

Back 31

Tertiary carbon

Front 32

A carbon that has 2 other carbons and an oxygen attached is called:

Back 32

Secondary carbon

Front 33

If you have several chains of the same length, how do you decide which to use?

Back 33

Use the one with the most functional groups hanging off

Front 34

If you number the chain and it numbers foward and back the same, how do you decide which to use?

Back 34

Number from the end that will give the first functional group in the name the lowest number

Front 35

How do you sepereate numbers from letters?

Back 35

Hyphens

Front 36

How do you seperate numbers from numbers?

Back 36

Commas

Front 37

Which comes first in the name, dimethyl or ethyl?

Back 37

Ethyl

Front 38

An object that has a plane of symmetry is called:

Back 38

Achiral

Front 39

A carbon with four different groups off of it is:

Back 39

Chiral

Front 40

A carbon with four different groups off of it can have:

Back 40

A stereoisomer

Front 41

Can you superimpose the mirror image pair of a chiral object on itself?

Back 41

NO

Front 42

What is a molecule that has the same formula, same atom to atom connections but different 3-D shapes called?

Back 42

A stereoisomer

Front 43

A carbon with four different groups off of it is said to be a ___ carbon

Back 43

Chiral carbon

Front 44

Another name for a chiral carbon is a ___ center.

Back 44

Stereocenter

Front 45

Stereoisomers that are optically active are called:

Back 45

Enantiomers

Front 46

How do you determine the number of stereoisomers possible?

Back 46

Count the numer of chiral carbons (n) and the formula is 2^n

Front 47

Rotating light left or counterclockwise in a polarimiter is called:

Back 47

Levorotatory or l or -

Front 48

Rotating light right in a polarimiter is called:

Back 48

Dextrorotatory or r or +

Front 49

What is the only difference between optical isomers?

Back 49

The way they bend light

Front 50

Enzymes are biological probes and are also called:

Back 50

Chiral probes

Front 51

Using the biologist system to label optical isomers, If you move clock-wise around the groups, from most massive to lightest, it is:

Back 51

R

Front 52

Using the biologist system to label optical isomers, If you move counter-clock-wise around the groups, from most massive to lightest, it is:

Back 52

S

Front 53

What does IUPAC stand for?

Back 53

International Union of Pure and Applied Chemistry

Front 54

What does S stand for?

Back 54

Sinister

Front 55

What does R stand for?

Back 55

Rectus