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How will you convert formaldehyde to acetaldehyde ?

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ICSE-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) ( SHORT QUESTIONS)
  1. Explain the following reactions : Aldol condensation

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  2. Why do aldehydes and ketones undergo nucleophilic addition reactions. ...

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  3. How will you convert formaldehyde to acetaldehyde ?

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  4. How aldehydes and ketones are distinguished ? Give two chemical reacti...

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  5. Name the reagents that can oxidise unsaturated aldehydes to unsaturate...

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  6. How will you carry out the following conversions : Acetone to ter-bu...

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  7. How will you carry out the following conversions : Acetaldehyde to l...

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  8. What is active alpha hydrogen atom ? Name one reaction that takes plac...

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  9. Why can't ketones be prepared from R-overset(O)overset(||)C-Cl and Gri...

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  10. What are acetals ? Give one method of their preparation.

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  11. Describe two nucleophilic addition reactions of carbonyl compounds.

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  12. Why do aldehydes and ketones undergo a number of addition reactions ?

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  13. The order of reactivity of carbonyl compounds for nucleophilic additio...

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  14. Arange the following in increasing order of reactivity towards nucleop...

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  15. How is benzaldehyde prepared from: Toluene

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  16. How is benzaldehyde prepared from: Benzoic acid

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  17. How are the following conversions carried out ? Acetophenone from be...

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  18. How are the following conversions carried out ? Benzaldehyde from to...

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  19. What products are formed when acetic acid is reacted separately with p...

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  20. How is benzoic acid prepared from Friedel-Craft's reaction?

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