Define Non aqueous Titration and enlist types of
Non aqueous solvent.
Answers
Explanation:
Non- aqueous titrations are the titrations in which weakly acidic or basic substances are carried out using non–aqueous solvents to get sharp end point. The moisture content in non–aqueous titrations should not be more than 0.05%. Moisture and carbon dioxide are to be avoided in non– aqueous methods.
Prominent members include sulfur dioxide, sulfuryl chloride fluoride, dinitrogen tetroxide, antimony trichloride, and bromine trifluoride. These solvents have proven useful for study highly electrophilic or highly oxidizing compounds or ions
Answer:
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Explanation:
Non- aqueous titrations are the titrations in which weakly acidic or basic
substances are carried out using non–aqueous solvents to get sharp end point.
• The moisture content in non–aqueous titrations should not be more than
0.05%.
• Moisture and carbon dioxide are to be avoided in non– aqueous methods.
Water behaves as both a weak acid and a weak base thus, in an aqueous
environment, it can compete effectively with very weak acids and bases with
regard to proton donation and acceptance, as shown below:
H2O + H+ ⇌ H3O+
Competes with : RNH2 + H+ ⇌ RNH3
+
H2O + B ⇌ OH−
+ BH+
Competes with : ROH + B ⇌ RO−
+ BH+