Physical and Chemical Properties of Acetone, Aldehydes and Ketones Assignment Help

Assignment Help: >> Acetone >> Physical and Chemical Properties of Acetone, Aldehydes and Ketones

Physical properties of Acetone : (i) It is a colourless liquid with characteristic pleasant odour.

      (ii)  It is inflammable liquid. It boils at 56o C.

      (iii) It is highly miscible with water, alcohol and ether.

Chemical properties of Acetone 

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      If acetone could be in excess in ketal condensation or catalyst (ZnCl2/ dry HCl) is used then three moles of acetone undergoes condensation polymerisation and form a compound called 'Phorone'.

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         Molecular mass of phorone = 3 mole of acetone - 2 mole of H2O     

      Reformatsky reaction: This reaction has the treatment of aldehyde and ketone with a bromo acid ester in presence of metallic zinc to form β-hydroxy ester, which can be easily dehydrated into α, β-unsaturated ester.

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(b)  Addition to carbonyl group

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