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Paraldehyde is a :...

Paraldehyde is a :

A

dimer of acetaldehyde

B

trimer of acetaldehyde

C

hexamer of acetaldehyde

D

equimolar mixture of formaldehyde and acetaldehyde.

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Multiple Choice Questions ( Level - II )
  1. A compound X gives cyanohydrin with HCN and the cyanohydrin on hydroly...

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  2. Aldehydes give silver mirror test with ammoniacal silver nitrate solut...

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  3. Paraldehyde is a :

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  4. Benzaldehyde reacts with aniline to give :

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  5. Methyl alcohol and air when passed through a heated tube containing a ...

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  6. Acetone on reduction with Zn(Hg) , HCl gives :

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  7. In the reaction , 2CH(3)CHOoverset(dil . NaOH)toXunderset("Heat")overs...

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  8. The reaction , C(6)H(5)CHO+CH(3)CHOunderset("Heat")overset(dil . NaOH)...

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  9. The reaction , C(6)H(5)CHO+(CH(3)CO)(2)Ounderset(180^(@)C)overset(CH(3...

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  10. Which of the following gives a pink colouration with Schiff s reagent ...

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  11. Formaldehyde reacts with ammonia to give white precipitate of hexameth...

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  12. When propyne is treated with aqueous H(2)SO(4) in presence of HgSO(4),...

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  13. The Grignard reagent rqquired to prepare 2- butanol from acetaldehyde ...

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  14. Acetone is mixed with bleaching powder to give :

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  15. In the Wolff Kishner reduction aldehydes and ketones are first convert...

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  16. HCHO and CH(3)CHO can be distinguished by :

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  17. Oximes are formed by the reaction of aldehydes and ketones with :

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  18. Treatment of propionaldehyde with dil , NaOH solution gives :

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  19. Which of the following can be used to distinguish between ethanal and ...

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  20. An organic compound X is oxidised by using acidified K(2)Cr(2)O(7) sol...

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