Chemistry BSc III & IV Semesters
BSc III Semesters
Core course (Practical Paper V)
CHE-321 Physical Chemistry
Chemical Kinetics:
1. To Study the Acid catalyzed hydrolysis of an ester
(methyl Acetate) and determine the rate constant (k). (first order reaction)
2. To study the kinetics of saponification reaction
between sodium hydroxide and ethyl acetate.
3. To compare the relative strength of HCI and H2SO4 or
HNO3 by studying the kinetics of hydrolysis of methyl acetate.
4. To determine Energy of activation of the reaction
between K25208 and KI with unequal initial concentration.
5. To determine the order of the reaction with respect
to K2S208 by fractional life method following the kinetics of per
sulphate-iodide reaction
pH Metry:
6. To determine equivalence point of neutralization of acetic acid by pll-metric titration with NaOH
Conductometry:
7.To determine the cell constant of the given cell using 0.01 M KCI solution and determine the dissociation constant of a given monobasic weak acid.
8. To investigate the conductometric titration of strong acid against strong base.
9.To investigate the conductometric titration of weak
acid against strong base.
Colorimetry:
10.Prepare standard solutions of KMnO4 / CuSO4, record
their absorbance and verify Beer's Law and determine unknown concentration.
11.Prepare solution of Fe(III) and SCN of in different
molar proportion, record their absorbance and calculate equilibrium constant of
[Fe(SCN)]2+ complex
12.Prepare solution of Fe(III)/Cu(11) and salicylic
acid in different molar proportion and determine metal ligand ratio in Fe(III)
or (II)-Salicylic acid complex
Potentiometry:
13.
Potentiometric titrations of strong acid vs. strong base
Chemistry
BSc III & IV
Semesters
BSc IV Semesters
Core course
(Practical Paper VI)
CHE-322 Organic Chemistry
Organic
Qualitative Analysis (Five mixtures: water insoluble solid-solid type)
Separation of Two Components from given binary
mixture of organic compounds containing mono and di-functional group
(carboxylic acid, phenols, amines, nitro, anilide etc.) and systematic
identification of one component qualitatively.
Organic Preparations
(Confirmatory
Test of functional group: M.P and purity by TLC)
(Preference
should be given to green approach for following synthesis)
1.
Preparation of benzoic acid from ethyl benzoate
2
Acetylation of primary amine
3. Base catalysed Aldol condensation
4.
Preparation of Quinone from hydroquinone
5.
Preparation of phthalimide from phthalic acid.
Organic estimations
6.
Determine alcoholic OH groups by pthalation with pthalic anhydride in pyridine.
7.
Determination of equivalent weight of a carboxylic acid by titration with
standard aqueous alkali solution.
8.
Estimation of amino acids by formol titration
9.Estimation of carbonyl compound with 2,4 dinitrophenyl hydrazine.
10.
Estimation of aldehyde/ketone by hydroxylamine -pyridine procedure
BSc III & IV
Semesters
BSc IV Semesters
Core course
(Practical Paper VII)
CHE-421 Inorganic
Chemistry
Chromatography
1. Separation of binary mixture of cations by
Column Chromatography by ion exchange resins/cellulose of (Co+ Al) mixture,
Separation of cations must be confirmed by qualitative test
2. Separation of binary mixture of cations by Column Chromatography by ion exchange resins/ cellulose of (Cu + Mg) mixture Separation of cations must be confirmed by qualitative test
3. Separation of binary mixture of cations by Column Chromatography by ion exchange resins/cellulose of (Zn+Mg) mixture. Separation of cations must be confirmed by qualitative test
4 Separation and Identification of metal ions Ni
and Cr by Paper Chromatography.
Synthesis of Coordination compounds
5. Synthesis of sodium cobaltinitrite from Co(II)
salt and NaNO2 salts.
6. Synthesis of potassium
Tris(oxalate)aluminium(III) using-Al-metal powder(Scrap aluminium).
7. Synthesis of Tris(acetylacetone)iron(III) by green chemistry method by reaction between Fe(OH)3 and acac.
8. Synthesis of Tris (ethylenediamine) nickel (II)
from Ni(II) salt, ethylediamine and sodium thiosulfate.
9. Synthesis of K[Cr(C₂O4)2. (H₂O)2] Potassium dioxalatodiaquachromate(III)
10. Synthesis of Tetra ammine copper(II) sulphate, [Cu(NH3)4]SO4.H2O
Click hereGravimetric estimation
11.
Estimation of nickel (II) using Dimethylglyoxime (DMG).
12. Estimation of copper as CuSCN
13.
Estimation of iron as Fe₂O, by precipitating iron as
Fe(OH)3.
14.
Estimation of Al (III) by precipitating with oxine and weighing as Al(oxine)s
(aluminiumoxinate).
BSc III & IV Semesters
BSc IV Semesters
Core course
(Practical Paper VIII)
CHE-422 Applied Chemistry
1. Estimation of Aspirin from a given tablet and
find errors in quantitative analysis.
2. Determination of acetic acid in commercial vinegar by titrating with standard NaOH.
3. Determination of Hardness of water from given sample by complexometric titration (Using E.D.T.A.) method.
4. Removal of dyes / by Fenton's process or by adsorption on activated charcoal.
5. Removal of nitrophenols by Fenton's process or by adsorption on activated charcoal.
6.Deionization water using cation and anion exchange resins/zeolites.
7. Estimation of paracetamol content in tablet
8. Estimation of the vitamin-c content in tablet
9. Estimation of Casein from milk sample.
10.Estimation of Rhodamine B from chilli powder spectrophotometrically
11. Estimation of lead chromate-in-turmeric powder.
12. Estimation of Tannic acid from tea sample spectrophotometer/Colorimeter.
13.
Estimation nutritive value of ghee sample (Desi Ghee)
14 To determine the molecular weight of a high polymer by using solutions of different concentrations
15. Quantitative estimation of reducing sugar from jam and jelly.
