Presentation on conductometric titrations

1. A SEMINAR ON
CONDUCTOMETRIC TITRATIONS:
NEUTRALIZATION, OXIDATION -
REDUCTION
Submitted by:-
Nidhi Maheshwari
M.Sc. (Applied Chemistry)
Department of Pure and
Applied Chemistry

2. CONTENTS
 Introduction
 Types of Conductometric
Titrations
 Neutralization Titration
 Oxidation - Reduction Titration

3. INTRODUCTION
 The determination of the end point of a
titration with the help of conductivity
measurements is called
Conductometric Titration.
 The change in conductance of the
solution during the course of titration is
measured and plotted against the
volume of titrant.

4. TYPES OF CONDUCTOMETRIC
TITRATIONS
Some titrations which
may be studied
conductometrically
include:-
 Neutralization Titration
 Precipitation Titration
 Complex forming
Titration
 Oxidation - Reduction
Titration

5. NEUTRALIZATION
TITRATIONS
Also called Acid - Base Titrations
These can be categorised as follows:-
 Strong Acid versus Strong Base
 Strong Acid versus Weak Base
 Weak Acid versus Strong Base
 Weak Acid versus Weak Base

6.  Strong Acid versus Strong Base
[H+Cl-] + [Na+OH-] [Na+Cl-] + H2O

7.  Strong Acid versus Weak Base
HCl + NH4OH NH4Cl + H2O

8.  Weak Acid versus Strong Base
CH3COOH + NaOH CH3COONa + H2O

9.  Weak Acid versus Weak Base
CH3COOH + NH4OH CH3COONH4 + H2O

10. OXIDATION - REDUCTION
TITRATIONS
Also commonly called Redox Titrations
For example,
6Fe+2 + Cr2O7 + 14H+
6Fe+3 + 2Cr+3 + 7H2O