Analytical Chemistry (Paper-II)

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ISBN- 978-93-5480-202-7

AUTHORS- Dr. Meena Wadhwani, Dr. Alka Mehta

Syllabus

Analytical Chemistry (Paper II)

Course Code: S1-CHEM2T

Unit

Topic

No. of Lectures

1

Mathematics for Chemists

Straight line equation, Logarithmic relations, curve sketching linear graphs and calculation of slopes. Differentiation, Differentiation of functions like kx, ex, xn, sinx, logx, maxima and minima, partial differentiation. Integration of some useful relevant functions.

Keywords/Tags: Linear graphs, Logarithmic Relation, Differentiation Integration.

10

 

2

Basic Analytical Chemistry: Introduction of Analytical Chemistry and its interdisciplinary nature. Concept of sampling, Importance of accuracy, precision and sources of error in analytical measurements. Presentation of experimental data and results, from the points of view of significant figures statistical terms: mean, mean deviation, median, standard deviation, Numerical Problems.

Calculations used in Analytical Chemistry

Some Important units of measurements: SI Units, distinction between mass and weight mole, milli mole and Numerical Problems.

Solution and their concentrations: Concept of Molarity, molality and normality. Expressing the concentration in parts per million (ppm), parts per billion (ppb), Numerical Problems.

Chemical Stoichiometry: Empirical and Molecular Formulas, Stoichiometric Calculation, Numerical Problems.

Keywords/Tags: Accuracy, Precision, SI units, Units of Concentration, Chemical stoichiometry.

10

3

Computer for Chemists

Introduction to computer, Introduction to operation systems like-Dos, Windows, Linux and Ubuntu.

Use of computer programs

Running of standard programs and packages such as MS-word, MS-excel, PowerPoint, Execution of linear regression x-y Plot. Use of softwares for drawing structures and molecular formulae.

Keywords/Tags: Operating Systems, MS-word, MS-excel, Power Points.

10

4

Chemical Equilibrium: Equilibrium constant and free energy, concept of chemical potential, Thermodynamic derivation of law of chemical equilibrium. Temperature dependence of equilibrium constant; Van’t Hoff reaction isochore, Van’t Hoff reaction isotherm. Le-Chatelier’s principle and its applications.

Keywords/Tags: Chemical Equilibrium, Equilibrium constant, Free Energy, Chemical Potential

10

 

5

Chromatography

Introduction, Principle and classification. Mechanism of separations: adsorption, partition and ion-exchange.

Development of chromatograms: frontal, elution and displacement methods.

Paper Chromatography (ascending, descending and circular), Thin Layer Chromatography (TLC) and Column Chromatography (CC), Gas Chromatography (GC) and High Pressure Liquid Chromatography (HPLC), types of column and column selection, applications, limitations.

Principle and Applications of:

i)        Flash chromatography,

ii)      Ion-exchange chromatography and

iii)    Chiral chromatography.

Keywords/Tags Chromatogram, Ion Exchange, Column Selection, Adsorption

10

6

Spectral Techniques of Analysis

Basics of absorption spectroscopy: Electromagnetic radiation, Spectral range. Absorbance, Absorptivity, Molar absorptivity, Fundamental Laws of Absorption Lambert-Beer Law and its limitations.

Constitution and working of photometer, spectrometer, colorimeter.

Ultraviolet (UV) absorption spectroscopy-

Presentation and analysis of UV spectra, Types of electronic transitions, Effect of conjugation. Concept of chromophore and auxochrome. Bathochromic, hypsochromic, Hyperchromic and hypochromic shifts. UV spectra of conjugated polyenes and enones.

Infra-red (IR) absorption spectroscopy-

Molecular vibration, Hooke’s law, selection rules intensity and position of IR bands, Measurements of IR, spectrum, finger print region, characteristic absorption of various functional groups and interpretation Of IR spectra of simple organic compounds.

Keywords/Tags: Hypochromic, Hypochromic, Absorption, Spectrum

10

MP State HED2022/ B.SC(English)/1/04
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