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When acetaldehyde is heated with Fehling...

When acetaldehyde is heated with Fehling's solution it gives a precipitate of

A

`Cu`

B

`CuO`

C

`Cu_(2) O`

D

`Cu + Cu_(2)O + CuO`

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_(3)CHO+underset("(Fehling solution)")(2Cu^(2+) +OH^(-)) to CH_(3)COOH+underset("(red"))(Cu_(2)O^(-))`
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A2Z-ALDEHYDES, KETONES AND CARBOXYLIC ACID-Oxidation And Reduction Of Carbonyl Compounds
  1. The reagent with which both acetaldehyde and acetonereacteasily is

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  2. Which one of the following is reduced with zine and hydrochloric acid ...

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  3. When acetaldehyde is heated with Fehling's solution it gives a precipi...

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  4. In the following reaction sequence, the correct structures of (E ), (...

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  5. Which of the following will not give the iodoform test?

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  6. Haloform test is given by the following substance

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  7. Which of the following does not give yellow precipitate with NaOH + KI...

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  8. The alkaline CuSO(4) contanining sodium potassiumtartrate does not rea...

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  9. CH3 CH=CHCHO is oxidised to CH3 CH=CHCOOH using :

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  10. Which of the following does not turn Schiff's reagent to pink?

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  11. The final product formed when acetaldehude is reduced with sodium and ...

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  12. The compound obtained by the reduction of propionadehyde by amalgamate...

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  13. 2CH(3)-underset(O)underset(||)(C)-CH(3) underset(H^(+))overset(Mg//Hg)...

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  14. Contents of three bottles were found to react (i) Neither with Fehli...

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  15. Which one of the following react HCN and Tollens reagent, but is not o...

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  16. Which one of the following does not give brickred precpitate with Fahl...

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  17. Acetaldehyde and can be distinguished by

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  18. Which one isused in the mabufacture of mirror?

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  19. Which one of the following product is obtained by the oxidationof prop...

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  20. Which one of the following would produce an orage coloured precipitate...

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