Page 64 - Pharmaceutical_Analytical_Chemistry_1_Theoretical_Notes_Level_1
P. 64
Mansoura National University
Pharm D-Clinical Pharmacy Program Level 1 Pharm. Anal. Chem. 1 (PC 101)
Summary
Compare the three important definitions of acids and bases
Important definitions
➢ Oxoacid: an acid that contains oxygen (Specifically,
it is a compound that contains hydrogen, oxygen, and
at least one other element, e.g. HNO , H SO ,
3 2 4
H PO ).
3 4
Acid anhydrides (Acidic oxides) Basic anhydride
Nonmetal oxides that react with water to Metal oxides that react with
form acids. (Considered air pollutants as water to form bases.
they react with atmospheric water vapor to
produce acid rain)
Examples: CO , SO , SO Examples: metal oxides (Na O,
2 2 3 2
CO + H O → H CO MgO, CaO)
2 2 2 3
SO + H O → H SO Na O + H O → 2NaOH
2
2
2 2 2 3
SO + H O → H SO MgO + H O → Mg(OH)
2
2
3 2 2 4
CaO + H O → Ca(OH)
2 2
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