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For making distinction between 2- pentan...

For making distinction between 2- pentanone and 3 - pentanone the reagent to be employed is

A

`K_(2)Cr_(2)O_(7)//H_(2)SO_(4)`

B

ZnHg/HCl

C

`SeO_(2)`

D

iodine/NaOH.

Text Solution

Verified by Experts

The correct Answer is:
D
Iodoform test is given by methyl ketones only . Hence 2- pentanone will react with iodine/NaOH but 3- pentanone will not react.
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Multiple Choice Questions ( Level - II )
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  2. Which one of the following on treatment with 50% aqueous sodium hydrox...

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  3. For making distinction between 2- pentanone and 3 - pentanone the reag...

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  4. The rate determining step in Cannizzaro's reaction is

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  5. C(3)H(6)O did not give a silver mirror test with Tollen 's reagent but...

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  6. The compound which is not formed during the dry distillation of a mixt...

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

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  8. The compound which forms acetaldehyde when heated with dilute NaOH is

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  9. A compound 'A' having molecular formula C(5)H(12)O , on oxidation give...

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  10. Addition of water to alkynes occurs in acidic medium and in the presen...

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  11. Which of the following compounds is most reactive towards nucleophilic...

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  12. The reagent which does not react with both acetone and benzaldehyde.

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  13. Cannizaro's reaction is not given by .

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  14. CH(3)-C-=CHunderset(1%HgSO(4))overset(40%H(2)SO(4))toAoverset("Isomeri...

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  15. Which of the following compounds will give butanone on oxidation with ...

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  16. The reagent used in Clemmensen reduction is

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  17. Aldol condensation between the compounds followed by dehydration gives...

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  18. The product of the following reaction

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  19. A carbonyl compound reacts with hydrogen cyanide to from cyano hydrin ...

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  20. Which one of the following on treatment with 50% aqueous sodium hydrox...

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