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Study the given reaction and identify th...

Study the given reaction and identify the process which is carried out.

A

It is used for purification of aldehydes and ketones .

B

It is used to distinguish aldehydes from ketones.

C

It is used to prepare cyclic aldehydes and ketones.

D

It is used to study polar nature of aldehydes and ketones.

Text Solution

Verified by Experts

The correct Answer is:
A
Aldehydes and ketones form insoluble crystalline compounds with `NaHSO_(3)` which can be filtered. These on distillation with saturated solution of `Na_(2)CO_(3)` again give the aldehydes and ketones.
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NCERT FINGERTIPS ENGLISH-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-MCQs( CHEMICAL REACTIONS )
  1. The addition of HCN to carbonyl compounds is an example of

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  2. Which of the following compounds does not react with NaHSO(3) ?

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  3. Study the given reaction and identify the process which is carried out...

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  4. Aldehydes other than formaldehyde react with Grignard reagent to give ...

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  5. Identify reactant (X) in the given reaction sequence. CH(3)COCH(3)+...

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  6. An organic compound (X) with molecular formula C(3)H(6)O is not readil...

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  7. Find the product of the given reaction.

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  8. The best method to purify impure acetone is

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

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

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  11. Which of the following statements is incorrect ?

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

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

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  14. Which of the following statements is not correct ?

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

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

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

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

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

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

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