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Aldehydes have lower boiling points than...

Aldehydes have lower boiling points than the corresponding alcohols. Explain.

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Alcohols and acids show intermolecular hydrogen bonding. But no intermolecular H-bonding occur in aldehydes and ketones. Therefore attractive forces in aldehydes and ketones are less thus have low boiling points.
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BETTER CHOICE PUBLICATION-ORGANIC COMPOUND WITH FUNCTIONAL GROUP CONTANING OXYGEN-II-Question Bank (12. 3 Physical Properties )
  1. Arrange the following compounds in the increasing order of their boili...

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  2. Arrange the following compounds in the increasing order of their boili...

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  3. Aldehydes have lower boiling points than the corresponding alcohols. E...

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  4. Sodium bisulphite is used for the purification of aldehydes and ketone...

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  5. Write Clemmensen reduction.

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  6. Carbonyl compounds mainly show nucleophilic addition. reactions. Why?

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  7. Aldehydes are more reactive than Ketones. Explain.

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  8. Formaldehyde is more reactive than other aldehydes.Justify.

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  9. Give aldol condensation reaction of acetaldehyde and explain why forma...

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  10. Write Aldol condensation reaction.

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  11. Write cross aldol condensation.

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  12. Write cross aldol condensation.

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  13. Write Claisen condensation.

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  14. Aldehydes can be used to make ethyl acetate. Write chemical equation. ...

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  15. How acetaldehyde can be used to ethyl acetate ?

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  16. Benzaldehyde does not undergo Aldol condensation. Give reason only.

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  17. What are Kolbe’s Reaction ? Give one example.

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  18. How will you distinguish between : CH(3)CHO (acetaldehyde or propana...

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  19. How will youdistinguish between benzaldehyde andacetaldehyde?

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  20. Write short note on Cannizzaro's reaction.

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