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DEPARTMENT OF CHEMISTRY

UNIVERSITY OF BALOCHISTAN, QUETTA.

M.Sc. FINAL, ANALYTICAL CHEMISTRY

PAPER-I     MAX: MARKS: 100

1.ELECTRO-ANALYTICAL METHODS

a)POTENTIOMETRY

Introduction, electrochemical cells, electrode potentials, liquid junction potential, ohmic potential, polarization, Nernst equation, standard hydrogen electrode, glass electrode, reference electrodes: calomel and silver-silver chloride electrode, indicator electrodes, solid-state electrode (fluoride electrode), potentiometric titrations.

b)POLAROGRAPHY

Introduction, dropping mercury electrode (DME), polarogram, diffusion current, residual current, half wave potential, limitations, differential pulse polarography, applications.

c)AMPEROMETRY

Introduction and amperometric titrations.

d)

CONDUCTOMETRY

Introduction: definition, units, theory, Instrumentation, conductometric titrations and applications.

e)

ELECTROGRAVIMETRY

Introduction. Current voltage relationship during electrolysis: Decomposition potential, electrolysis at controlled / fixed potential, constant-current electrolysis, constant cathode potential electrolysis, physical properties of electrolytic precipitate, chemical factors of importance in electrode deposition.

2.KINETIC METHODS OF ANALYSIS

Introduction, measurement of catalytic reactions, order of reaction, rate equations for single species, enzyme catalysis, the Michaelis constant, monitoring techniques for enzyme catalyzed reactions and applications.

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