EFFECT FROM THE ACADEMIC YEAR 2014 - 2015

 

CH 132

CHEMISTRY LAB

 

Instruction                                                                                                                                                                                          3  Periods per week

Duration of University Examination                                                                                                                                                      3  Hours

University Examination                                                                                                                                                                       50Marks

Sessional                                                                                                                                                                                            25Marks

 

VOLUMETRIC ANALYSIS

 

1.         Introduction of Volumetric Analysis.

 

2.         Techniques of Weighing and usage of Simple analysis balance.

 

 

PERMANGANOMETRY

 

3.     Preparation of standard solution of Mohr salt and standardization of KMnO4 solution.

 

4.     Estimation of Iron(II)

5.     Estimation of oxalate

 

DICHROMATOMETRY

 

6.     Estimation of Chromium(III).

 

IODOMETRY

 

7.     Estimation of Chromium(III).

 

8.     Estimation of Copper (II)

 

A CIDIMETRY

 

9.     Estimation of Carbonate, Bicarbonate alkalinity of water

 

COMPLEXOMETRY

10. Estimation of hardness of water.

 

PRECIPITATION TITRATION

 

11. Estimation of Chloride

 

INSTRUMENTAL CHEMICAL ANALYSIS

 

12. Introduction to instrumental chemical analysis and use of electrical and electronic balance up to 4th decimal place.

 

CONDUCTOMETRY

 

13. Acid-base titration

  a. Estimation of HCl using strong base.

   b. Estimation of CH3COOH using strong base.

   c.     Estimation of HCI and CH.,COOH using strong base 

Precipitation titration

  d.  Estimation of BaC12using Na2SO4

POTENTIOMETRY

14. Acid base titration

      e. Estimation of HCI using strong base by quinhydrone electrode.

       f..Estimation of CH3COOH strong base titration using quinhydrone electrode.

Redox titration

15. Estimation of iron(II) using K2Cr207.

PH METRY

16. Acid base titration

a. Estimation of HC1 using NaOH

b. Estimation of CH3COOH using NaOH

COLORIMETRY

17. Verification of Beers-Lambert's Law: using potassium permanganate and estimation of KMn04(Mn) in the given solution.

18. Estimation of Mn04 in the given solution.

19. Estimation of Copper(II)

 

KINETICS

 

20. First order reaction - hydrolysis of methyl acetate 

EXPERIMENTS FOR DEMONSTRATION SPECTROPHOTOMETRY

 1.     Recording of Cu(II) spectrum, determination of emax and molar absorbance

 

PREPARATION OF POLYMERS 

1.     Preparation of Urea — Formaldehyde resin

2.     Preparation of polypyrrole

Suggested Reading:

1.     B.D.Khosla, A.Gjulati, V.C. Garg., Senior Practical Physical  Chemistry, R.Chand and company, New Delhi 11th Edition.

2.   S.K.Bhasin and Sudha RAni, Laboratory Manual on Engineering Chemistry, Dhanpat Raj Publishing Company.