Laboratory Course

Colorimetry

1. Job’s method of continuous variation by iron-phenanthroline complex.
2. Mole Ratio method by iron-phenanthroline complex.

Polarimeter  

1. To determine the specific rotation /unknown concentration of an optically active compound (glucose/sucrose)

 
Adsorption (Practice Exercise)

1. To study the adsorption of a solute (Acetic acid) on a dispersed solid (activated charcoal).

Organic Chemistry  

Synthesis (Green methods)                                

a)  Aromatic Electrophilic Substitution
i)  Acetylation – Acetylation of aniline/salicylic acid.
ii)  Nitration - Preparation of 4-nitrosalicylic acid
ii) Bromination - Preparation of p-bromoacetanilide
b)  Halogen Addition to C=C bond
i)  Bromination of Trans Stilbene
c) [4+2] cycloaddition Reaction
i)  Diel’s Alder reaction between furan and maleic acid
d) Pechmann Condensation for Coumarin synthesis
i) Clay catalysed solid state synthesis of 7-hydroxy -4-methyl coumarin
e) Diazotization/coupling
i)  Preparation of methyl orange

Spectroscopy: Interpretation of IR and NMR spectra of simple organic compounds (ethanol, 1-propanol, 2-propanol, methylethanoate, ethyl acetate,stilbene, ethyl acetate, propanone etc).

Quantitative Analysis                               

a)    To determine the neutralization equivalent of the acid.
b)    Estimation of glucose by Fehling’s solution/Benedict’s solution method.
c)   Estimation of saponification value of oil.