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Explain the condensation reactions of fo...

Explain the condensation reactions of formaldehyde with phenol and with urea. Draw the structures of the condensation products.

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AAKASH SERIES-ALDEHYDES AND KETONES-Exercise 3.2
  1. How Iodoform reaction is useful in detecting CH(3)CO- or CH(3)CH(OH)- ...

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  2. Explain crossed aldol condensation with suitable examples

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  3. Explain the condensation reactions of formaldehyde with phenol and wit...

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  4. How benzyl alcohol is obtained from benzyl chloride ?

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  5. HCHO overset(CH(3)MgBr)rarrA overset(H(2)O)rarr B underset(H^(+))overs...

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  6. Ring structure of glucose is due to formation of hemiacetal and ring f...

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  7. Write on the following (a) Stephens reaction and (b) Tischenko reactio...

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  8. Write notes on (i) Rosenmund reduction and (ii) Wolff-Kishner's reduct...

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  9. Describe any four methods of preparation of acetophenone?

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  10. What is the orientation effect of aldehydic and ketonic group when att...

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  11. What is Tollens reagent ? Explain its reaction with Aldehydes.

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  12. Write all the possible aldol products of 6-ketoheptanal

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  13. Write the products of reactions of ammonia with formaldehyde, acetalde...

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  14. Oxidation of toluene with CrO(3) in presence of acetic anhydride is be...

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  15. Write the sequence of reactions to convert acetylene into acetophenone

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  16. (CH(3))(3)C CHO does not undergo Cannizzaro's reaction. Why?

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  17. Write the products of the reaction in presence of base between propana...

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  18. CH(3)- CH = CH(2) + H(2)O + PdCl(2) overset(CuCl(2))rarr X underset(-2...

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  19. CH(3)CHO underset(H(2)SO(4))overset(K(2)Cr(2)O(7))rarrA overset(NaOH)r...

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  20. CH(3)CHO overset("Chromic acid")rarr A overset(Ca(OH)(2))rarr B unders...

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