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Synthesis of aspirin - Why is flask placed in an ice bath to lower the solubility dur

Synthesis of aspirin - Why is flask placed in an ice bath to lower the solubility during the synthesis of aspirin

During the hydrolysis of acetic anhydride the flask which contains the hydrolysed product is to be place in an ice cold bath to lower its solubility

Why and how does it lower its solubility

(edited 10 years ago)

Reply 1

illusionz

You need to give more detail if you want anyone to be remotely useful.

Reply 2

User32432432

Original post by illusionz

You need to give more detail if you want anyone to be remotely useful.

During the hydrolysis of acetic anhydride the flask which contains the hydrolysed product is to be place in an ice cold bath to lower its solubility

Why and how does it lower its solubility

Reply 3

Borek

Is the question "why lower temperature lowers the solubility"? If so, the answer is "because it does". For most compounds.

But there are examples of compounds for which solubility goes UP with lower temperature, so this is not a general rule. In general it depends on the intermolecular forces between the substance molecules and solvent molecules, and is not always easy to predict.