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To distinguish between 2-pentanone and 3...

To distinguish between 2-pentanone and 3-pentanone which reagent can be used ?

A

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

B

`Zn-Hg//HCI`

C

`SeO_(2)`

D

Iodine`//NaOH`

Text Solution

Verified by Experts

The correct Answer is:
D
Due to presence of active keto-methyl group 2-pentanone will respond to iodoform test, but 3-pentanone does not.
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ERRORLESS -ALDEHYDES AND KETONES -Ordinary Thinking (Objective Questions) Properties
  1. Methyl ketones are usually characterised through

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

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  3. To distinguish between 2-pentanone and 3-pentanone which reagent can b...

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  4. The dipeptide Gln-Gly on treatment with CH(3)COCI followed by aqueous ...

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  5. The most stabl enol tautomer of MeCOCH(2)CO(2)Et is

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  6. In the following species, the one which is likely to be the intermedia...

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  7. An optically active compound having molecular formula C(8)H(16) on ozo...

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  8. Bromination of PhCOMe in acetic acid medium produces mainly

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  9. Cinnamci acid is fomed when C(6)H(5)-CHO condenses with (CH(3)CO(2))O ...

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  10. Aldehydes and ketones can be reduced to hydrocarbon by using

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  11. Which of the following will form two isomers with semi carbazide

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  12. Predict the product

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  13. Select the reagent for the following reaction

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  14. Find the organic acid product from the above reaction

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  15. The product of this reaction is

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  16. Fehling A and Fehling B are :

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  17. Total number of organic products obtained by the reduction of methyl e...

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  18. Compound (A) undergoes Cannizzaro reaction and (B) undergeos positive ...

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  19. Aldol condensation does not occur between

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  20. Which of the following statements is not correct

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