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SYBSc Semester III

CH-303 | Practical Chemistry – III

S.Y.B.Sc. | Sem III | Chemistry

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S.Y.B.Sc. | Sem III | CH-302
Practical Chemistry – III

It’s a great pleasure for us to present this book for S.Y.B.Sc. Chemistry students of the Savitribai Phule Pune university, Pune. This book is written as per the revised syllabus (CBCS Pattern) of Savitribai Phule Pune university, Pune to be implemented from June 2020.
We have tried to explain the concepts & information in lucid language so that students could understand it easily. Many senior faculty members have inspired us to perform this duty. We feel it’s not a new creations but presentation in simple form for the better understanding of students.

CH-303 : Chemistry Practical

A. Chemical Kinetics: Integrated rate method: (Any Three)

Experiment No. 1 
To Study the Acid catalysed hydrolysis of an ester (methyl Acetate) and determine the rate constant (k). (first order reaction).
Experiment No. 2 
To compare the relative strength of HCl and H2SO4 or HNO3 by studying the kinetics of hydrolysis of methyl acetate
Experiment No. 3 
To study the kinetics of saponification reaction between sodium hydroxide and ethyl acetate.
Experiment No. 4 
To determine energy of activation of the reaction between K2S2O8 and KI.
Experiment No. 5 
To determine the order of the reaction with respect to K2S2O8 by fractional life method following the kinetics of per sulphate iodide reaction.

B. Inorganic quantitative / qualitative analysis (Any two)

Experiment No. 1 
Estimation of Fe(III) from given solution by converting it to Fe(II) using Zn metal and then by titrating with standard solution of K2Cr2O7-A Green Approach.
Experiment No. 2 
Determination of BaCO3 content in a given sample by precise determination of volume of CO2 .
Experiment No. 3 
Separation and Identification of metal ions by Paper Chromatography .

C. Organic Qualitative Analysis (Two mixtures: solid-solid type)

Experiment No. 1 
Separation of Two Components from given binary mixture of organic compounds containing mono-functional group (Ex. – carboxylic acid, phenols, amines, amide, nitro, etc.) and systematic identification of each component qualitatively.

D. Organic Preparations (Any two)

Experiment No. 1 
Preparation of benzoic acid from ethyl benzoate (Identification and confirmatory Test of –COOH group, M.P and purity by TLC) .
Experiment No. 2 
Acetylation of primary amine (Green approach) .
Experiment No. 3 
Base catalyzed Aldol condensation (Green approach)
Practical No. 4 
Preparation of Quinone from hydroquinone (Confirm the conversion by absence of phenolic –OH group in product, M.P and purity by TLC)

E. pH Metry (Compulsory)

Experiment No. 1 
To determine equivalence point of neutralization of acetic acid by pH-metric titration with NaOH and to find best indicator for the titration.

F. Volumetric Analysis (Any two)

Experiment No. 1 
Estimation of Aspirin from a given tablet and find errors in quantitative analysis. (Standardization of acid must be performed with standard Na2CO3 solution, prepared from dried anhydrous AR grade Na2CO3)
Experiment No. 2 
Determination of acetic acid in commercial vinegar by titrating with standard NaOH. Express your results as average ± standard deviation. (Standardization of base must be performed with standard KHP).
Experiment No. 1 
Determination of Hardness of water from given sample by complexometric titration (Using E.D.T.A.) method and total dissolve solids by conductometry. Express your results as average ± standard deviation. (Standardization of Na2EDTA must be performed with standard Zn(II) solution)
G. Mini Scale Project ( Choice Based Activity )
H. Students Short Activities (for both semesters)


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