Experiment no 9 : To identify the given organic drug D6 by Systematic Qualitative Analysis 

 

d pharma 2nd year pharmacy | experiment of 2nd year pharmacy all experiments
Experiment No. 9


Questions

 

1. Give group test for

Aldehydes/carbohydrates/acids/phenol/ester/onhydride/ketone/alcohol/ ethernitro/amine/amide/anilide group.

2. Give five ideal characteristics of derivative/

3. Give significance of derivative?

4. Give the following reactions/tests

 a) Diazotisation test

b) Phthalein test

11 Ans Give the following Tests -

aj Diazatisation test -

 

 Q .1  Ans Diazotisation reaction involves the usage of nitrous acid &  another to yield to diazonium salt.

acid & another acid in the treatment of aromatic

 

b) phthalin Test

Ans – phenol get condensed on heating with pthalic unhydride in the presence of conc. sulphuric atid & forms phenolphthalein.

c) Libermano's Nitroso Test -

 

Ans - This is test for Secondary amines (aliphabic as well

as aromatic)

d) fehling's Test

 

Ans- Fehling’s test is used to differentiate between water

Soluble carbohydrates & ketone function

group & as a test for reducing Sugar & non reducing agent .