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Paraldehyde is formeed by the polymerisa...

Paraldehyde is formeed by the polymerisation of:

A

`CH_(3)CHO`

B

`HCHO`

C

`CH_(3)OH`

D

`CH_(3)CH_(2)CHO`.

Text Solution

Verified by Experts

The correct Answer is:
A
`CH_(3)CHO` when heated with `H_(2)SO_(4)` polymerises to form paraldehyde `(CH_(3)CHO)_(3)`.
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DINESH PUBLICATION-ALDEHYDES AND KETONES -Multiple Choice
  1. Which of the following will undergo aldol condensation?

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  2. Which type of isomerism is shown by pentaone?

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  3. Paraldehyde is formeed by the polymerisation of:

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  4. Aromatic aldehydes in the presence of CN^(-) ion give acyloins. The re...

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  5. Which of the following methods is used to convert ketone into hydrocar...

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  6. Oxidation of actaldehyde with SeO(2) form :

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  7. During reduction of carbonyl compounds by H(2)N NH(2) and KOH, the fir...

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  8. Which will not give formaldehyde on heating or upon distillation ?

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  9. When ethanal is heated with Fehling's solution, it gives a precipitate...

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  10. Acetone on heating with conc. H(2)SO(4) gives :

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  11. Which alkene on ozonolysis gives CH(3)CH(2)CHO and CH(3)underset(O)und...

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  12. Toluene reacts with chromyl chloride to form :

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  13. The reagent used for the separation of acetaldehyde from acetophenone ...

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  14. Which can be oxidized to the corresponding carbonyl compound?

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  15. The product of the following reaction are CH(3)C=C.CH(2)CH(3)=overse...

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  16. Nucleophilic addition reaction will be most favoured in

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  17. A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin w...

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  18. Which of the compounds with molecular formula C(5)H(10)yields acetone ...

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  19. Which of the following on treatment with aqueus sodium hydroxide will ...

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  20. On heating calcium acetate and calcium formate, the product formed is ...

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