acid names2

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Acid Nomenclature
C. Johannesson
IV
Naming Acids
A. Definition
• Acids
• Compounds that form H+ in water.
• Formulas usually begin with ‘H’.
• Examples:
• HCl – hydrochloric acid
• HNO3 – nitric acid
• H2SO4 – sulfuric acid
C. Johannesson
B. Acid Nomenclature
Anion
Ending
Acid Name
-ide
hydro-(stem)-ic acid
-ate
(stem)-ic acid
-ite
(stem)-ous acid
C. Johannesson
B. Acid Nomenclature
ACIDS
start with 'H'
binary
oxyacid
2 elements
3 elements
hydro- prefix
-ic ending
no hydro- prefix
-ate ending
becomes
-icC.ending
Johannesson
-ite ending
becomes
-ous ending
B. Acid Nomenclature
HBr
2 elements, -ide 
hydrobromic acid
H2CO3
3 elements, -ate 
carbonic acid
H2SO3
3 elements, -ite

C. Johannesson
sulfurous acid
B. Acid Nomenclature
hydrofluoric acid
2 elements
 H+ F-
 HF
sulfuric acid
3 elements, -ic
 H+ SO42-  H2SO4
nitrous acid
3 elements, -ous  H+ NO2C. Johannesson
 HNO2

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