CH-303-403 | Practical Chemistry
S.Y.B.Sc. | Sem III-IV | Chemistry
Dr A M Nemade, Dr G R Chaudhari, Dr H A Mahajan, Dr H P Narkhede, Dr M K Patel, Dr R B Dhake, Dr V T Patil, M T Chaudhari, S L VisputeRs.60.00
S.Y.B.Sc. | Sem III-IV | CH-303-404
CHEMISTRY
Practical Chemistry
We are very glad to present this book on “Practical Chemistry’’ in the hands of S.Y.B.Sc. students. The book is strictly written according to the semester pattern syllabus framed by the board of studies in Chemistry, KBC NMU Jalgaon, for Second year B.Sc to be implemented from June 2019 and is written in very simple language giving exhaustive details. The book will help students performing experiments in effective way. We hope, this book will be useful for students and teachers.
CH-303 : Chemistry Practical (Sem III)
A) PHYSICAL CHEMISTRY EXPERIMENTS
1. Determination of molecular weight of solute (acetanilide/
m- dinitrobenzene/sulphur) by depression of freezing point method.
2. Determination of molecular weight of non-volatile solute (KCl/ BaCl2/ Urea) by using Landsberger apparatus.
3. Determination of standard electrode potential of Cu/Cu+2 or Ag/Ag+, Zn/Zn+2 electrodes potentiometrically.
4. Conductometric titration of Pb(NO3)2Vs Na2SO4
B) VOLUMETRIC ANALYSIS
1. Estimation of acetic acid in commercial vinegar using NaOH.
2. Estimation of aspirin in drug sample.
3. Estimation of chloride by Mohr’s method.
4. Estimation of Fe (II) by redox titration with KMnO4.
5. Estimation of copper iodometrically.
6. Estimation of Mg+2 by complexometric titration with EDTA.
7. Determination of dissolved oxygen (DO) in water sample.
C) CHROATOGRAPHY
1. Separation of mixture of o-nitro aniline and p-nitro aniline by Thin Layer Chromatography and to determine their Rf values.
2. Separation of mixture of any two amino acids by paper chromatography.
D) ORGANIC PREPARATIONS
1. Aniline to acetanilide by using Zn / Acetic acid.
2. Semicarbazone derivative of Aldehydes / Ketones.
3. Benzoyl derivative of – OH/ – NH2.
CH-403 : Chemistry Practical (Sem IV)
A) PHYSICAL CHEMISTRY EXPERIMENTS
1. Determination of critical solution temperature of phenol-water system
2. Determination of normality and strength of HCl titrating with standard NaOHPotentiometrically.
3. Construction of Daniel cell and determination of thermodynamic parameters. DG, DH, DS of the cell
4. Determination of molecular weight of liquid by steam distillation technique.
B) ORGANIC QUALITATIVE ANALYSIS
Determination of
a) Type b) Preliminary tests c) Physical constant
d) Elements (Sodium fusion test) e) Functional groups
f) Structure
C) GRAVIMETRIC ANALYSIS
1. Estimation of Ni as Ni–DMG (by Counterpoise method)
2. Estimation of Ba as BaSO4 (by Ignition using filter paper)
3. Estimation of Pb as PbCrO4 (by Gooch crucible / counterpoise method)
D) INORGANIC PREPARATIONS
1. Tetramine Cu (II) sulphate.
2. Hexamine Ni (II) chloride.
3. Ferrous ammonium sulphate (Mohr’s salt).
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