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Functional Groups, PKA and IR Spectra
Functional Groups, PKA and IR Spectra
55
Chemistry
04/17/2011

Additional Chemistry Flashcards

 


 

Cards

Term
HI
Definition

Hydroiodic acid (Hydrogen Iodide):

 

 

pKa: -10

 

 

Term
HCl
Definition

Hydrochloric Acid:

 

pKa: -8

Term
Benzene sulfonic acid
Definition
 pKa: -6.5
Term
Sulfuric Acid
Definition
 pKa: -3
Term
Hydronium Ion
Definition

H+

 

pKa: -1.7

Term
HF
Definition

Hydrofluoric Acid

 

pKA: 3.2

Term
H2S
Definition

Hydrogen Sulfide

 

pKa: 7

Term
HCN
Definition

Hydrogen cyanide

 

 Nitrile functional group

PKA: 9.3

Term
methanethiol
Definition

CH3SH

 

pKa: 10.3

Term
menthanol
Definition

CH3

pKa: 16

Term
Ammonia
Definition

NH3

 

pKa: 36

Term
alkene
Definition

carbon-carbon double bond

 

one degree of unsaturation

 

pKa: ~ 43

Term
HBr
Definition

Hydrobromic Acid

 

pKa: -9

Term
Conjugate acid of acetic acid
Definition

 

 

pKa: -6

Term
Conjugate acid of dimethyl ether
Definition
pKa: -3.5
Term
Conjugate acid of ethanol
Definition
pKa: -2.4
Term
HNO3
Definition

Nitric Acid

 

pKa: -1.5

Term
NH4+
Definition

Ammonium ion

 

pKa 9.3

Term
phenol
Definition
 pKa: 10
Term
pKa of water
Definition
15.7
Term
Alkyne
Definition

pKa: 25

 

2 degrees of unsaturation

Term
hydrogen gas
Definition
pka: 40
Term
alkane
Definition

pka: ~ 60

 

 

Term
OH group
Definition

Carboxyl group

 

Alcohol

Term
Amine
Definition
Term
Structure of ether functional group
Definition
Term
Thiol
Definition
Term
Sulfide
Definition
Term
Aryl
Definition
Term
Phenol
Definition
Term
Epoxide
Definition
Term
Aldehyde
Definition
Term
Ketone
Definition
Term
Carboxylic Acid
Definition
Term
Ester
Definition
Term
Acid chloride
Definition
Term
Anhydride
Definition
Term
Amide
Definition
Term
thioester
Definition
Term
Nitrile
Definition
Term
Peroxide
Definition
Term
peracid
Definition
Term
What is the method for determining the structure from an IR?
Definition
determine the functional groups
Term
what is the fingerprint region?
Definition
0-1500
Term

Where do we find a carbonyl?

Definition
1600-1800 cm-1
Term
Where will you find an sp2-H bond?
Definition

an alkene or a beneze:

3100

Term
What is an sp-H bond and where will you find it?
Definition

An alkyne

 

3200-3300

 

Term
What is an sp3-H bond and where will you find it?
Definition

An alkane

3000-3100

 

Term
Where is an OH group located?
Definition
3300-3500
Term
Where is an NH group located?
Definition
3300-3500
Term
How do you determine the difference between an OH group and an NH group?
Definition

Both are found in 3300-3500

 

The OH is broad and smoothly curved; the NH is jagged

Term
What is the Index of Hydrogen Deficiency?
Definition
1/2{([2 x #C] - [#H + #X]) - #N +2}
Term
What is the degree of unsaturation for a benzene ring?
Definition
1
Term
What is the degree of unsaturation for an alkene
Definition

C=C

1 degree of unsaturation

CnH2n

Term
What is the degree of unsaturation for an alkyne?
Definition

2 degrees of unsaturation

 

CnH2n-n