Question

7
Explain the
lab
method
you preparation of a cetone​

Answer 1

Answer:

The acetone so obtained is not pure. To purify this, it is shaken with saturated solution of sodium bisulphite then crystals of acetone sodium bisulphite salt separated out. The crystalis washed and heated with sodium carbonate and then dried over anhydrous CaCl2 and then distilled at 56oC to get pure acetone.

Explanation:

Answer 2

Answer:

Method: 30-40 gm of calcium acetate mixed with equal amount of sodium acetate is heated in a glass retort fitted with a condenser and receiver. Acetone is collected in the receiver. ... To purify this, it is shaken with saturated solution of sodium bisulphite then crystals of acetone sodium bisulphite salt separated out.

Explanation:

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