BP305P
BP305P – Organic Chemistry-II Lab Manual
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Table of Contents
Syllabus as per - "PCI and Autonomous College"
- Experiments involving laboratory techniques
A. Recrystallization
B. Steam distillation - Determination of following oil values (including standardization of
reagents)
A. Acid value
B. Saponification value
C. Iodine value - Preparation of compounds
A Benzanilide/Phenyl benzoate/ Acetanilide from Aniline/ Phenol
/Aniline by acylation reaction.
B. 2,4,6-Tribromo aniline/ Para bromo acetanilide from Aniline
C. Acetanilide by halogenation (Bromination) reaction.
D. 5-Nitro salicylic acid/Meta di nitro benzene from Salicylic acid / Nitro benzene by nitration reaction.
E. Benzoic acid from Benzyl chloride by oxidation reaction.
F. Benzoic acid/ Salicylic acid from alkyl benzoate/ alkyl salicylate by
hydrolysis reaction.
G. 1-Phenyl azo-2-napthol from Aniline by diazotization and coupling
reactions.
H. Benzil from Benzoin by oxidation reaction.
I. Dibenzal acetone from Benzaldehyde by Claison Schmidt reaction
J. Cinnammic acid from Benzaldehyde by Perkin reaction
K. P-Iodo benzoic acid from P-amino benzoic acid
Practical No 1:
To explore the use of different distillation and recrystallization procedures for the purification of solvents, liquids, and synthetic compounds.
Practical No 2:
To purify impure benzoic acid by recrystallization using distilled water and determine the percentage yield.
Practical No 3:
To purify impure salicylic acid by the sublimation method and determine the percentage yield of the purified product.
Practical No 4:
To purify impure aniline by the steam distillation method and determine the percentage yield of the purified aniline.