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The best method to purify impure acetone...

The best method to purify impure acetone is

A

`CH_(3)COCH_(3)+HCl to CH_(3) -overset(OH)overset(|)underset(Cl)underset(|)C-CH_(3) overset("heat")to CH_(3)COCH_(3)`

B

`CH_(3)COCH_(3)+NaHSO_(3) to CH_(3)-overset(OH)overset(|)underset(CH_(3))underset(|)C-SO_(3)Na overset(Na_(2)CO_(3))to CH_(3)COCH_(3)`

C

`CH_(3)COCH_(3)+HCNto CH_(3)-overset(OH)overset(|)underset(CN)underset(|)C-CH_(3) overset(HOH)toCH_(3)COCH_(3)`

D

`CH_(3)COCH_(3)+H_(2)SO_(4) to CH_(3)-overset(OH)overset(|)underset(" OSO"_(3)H)underset(|)C-CH_(3) to overset("heat")to CH_(3)COCH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-MCQs( CHEMICAL REACTIONS )
  1. An organic compound (X) with molecular formula C(3)H(6)O is not readil...

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  2. Find the product of the given reaction.

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  3. The best method to purify impure acetone is

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  4. R-CH=CH-CHO+NH(2)-overset(O)overset("||")C-NHNH(2)overset(H^(+))to X ...

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  5. Hydrocarbons are formed when aldehydes and ketones are reacted with am...

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  6. Which of the following statements is incorrect ?

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  7. What is the test to differentiate between pentan - 2- one and pentan -...

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  8. The best oxidising agent for oxidation of CH(3)-CH=CH-CHO" to "CH(3)...

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  9. Which of the following statements is not correct ?

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  10. In the following sequence of reaction, the final product (Z) is CH-...

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  11. Which of the following reagents are not correctly matched with the rea...

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  12. Identify (X), (Y) and (Z) in the given reaction. CH(3)COCH(3) overse...

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  13. Identify (X), (Y) and (Z) reagents in the given sequence of reaction. ...

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  14. Which of the following does not answer iodoform test ?

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

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  16. To differentiate between pentan -2-one and pentan -3-one a test is ca...

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  17. An organic compound of molecular formula C(3)H(6)O did not give a silv...

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  18. Which is the correct method of synthesising acetamide from acetone?

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  19. Compound (X) with molecular formula C(3)H(8)O is treated with acidifie...

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  20. Which of the following compounds will give a coloured crystalline com...

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