TO PREPARE GLUCO SAZONE FROM GLUCOSE

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APPARATUS REQUIRED:

1) Conical flask

2) Funnel

3) Beaker

4) Testtube

5) Water Bath

6) Filter paper etc.

CHEMICAL REQUIRED:

1) Glucose

2)Phenyl hydrazine

3) Glacial Acetic acid 

THEORY:

Glucosazone can be prepared from glucose by treating it with phenyl hydrazine in presence of heat as below: 

PROCEDURE:

 Initially the solution was made by mixing 5 gm glucose & 12 ml water in a conical flask, Added a solution of 6 ml of Phenyl hydrazine & 6 ml glacial acetic acid and heated the solution on a water bath for about 45 minutes. Again allowed to cool in a cold water bath then appeared some yellowish ppt, the solution was filtered & washed with cold H₂0 finally recrystallized in spirit & identified the melting point of yellow crystal of glucosazone.

RESULT:

Appearance: Yellow crystal

Melting point: 208°c

CONCLUSION:

Hence, the preparation of glucosazone by the glucose was done in the lab.

PRECAUTION:

1) All the apparatus  should be washed & cleaned before the experiment.

2) Heating & Cooling phenomenon should be done carefully.

3) Melting point should be determined accurately.

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