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Diacetone alcohol is obtained when...

Diacetone alcohol is obtained when

A

2 molecules of acetone condense in presence of barium hydroxide

B

3 molecules of acetone condense in presence of barium hydroxide

C

3 molecules of acetone polymerise in presence of conc `H_(2)SO_(4)`

D

3 molecules of acetone condese in presence of conc `H_(2)SO_(4)`

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The correct Answer is:
A
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AAKASH SERIES-ALDEHYDES AND KETONES-objective Exercise -2A
  1. Schiff's bases are formed when aniline reacts with

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  2. Which of the following can undergo neither aldol condensation nor iodo...

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  3. Diacetone alcohol is obtained when

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  4. Which one of the following is one of the cross end products formed whe...

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  5. Number of sigma bonds ,pi bonds and lone pairs of electrons present i...

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  6. When acetaldehyde undergoes reaction with Zn-HCl in the presence of Hg...

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  7. HCHO with conc. Alkali forms two compounds. The change in oxidation nu...

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  8. Which does not react with Fehling's solution ?

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  9. A compound reduces Tollen's reagent but does not reduce Fehling's or B...

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  10. 1-Phenylethanol can be prepared by reaction of benzaldehyde with

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  11. Which of the following compound will give yellow precipitate with I(2)...

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  12. C(3)H(8)O underset(K(2)Cr(2)O(7)//H^(+))overset((O))rarr C(3)H(6)O ove...

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  13. Which among the following gives positive iodoform test as well as posi...

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  14. Which of the following compound will not undergo Cannizzaro reaction ?

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  15. Which of the following will show disproportionation when treated with ...

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  16. Which one of following undergoes reaction with 50% sodium hydroxide so...

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  17. Which of the following does not undergo disproportionation in the pres...

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  18. Benzaldehyde undergoes oxidation and reduction in the presence of

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  19. Benzene carbaldehyde is reacted with concentrated NaOH solution to giv...

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  20. Z + (H(3)C CO)(2)O rarr H(3)C CH(3)CN + 2H(3)C COOH Identify Z in t...

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