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When acetaldehyde is heated with Fehling...

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

A

Cu

B

`CuO`

C

`Cu_(2)O`

D

`Cu_(2)O+Cu`.

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Multiple Choice Questions ( Level - I )
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  2. Acetophenone on reduction with Zn//Hg in the presence of HCl gives :

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  4. A compound that gives a positive iodoform test is

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  5. The reagent with which both aldehydes and ketones react easily is

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  6. Which of the following gives positive Tollen 's

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  7. The compound formed by reducing acetone with LiAlH(4) is :

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  8. Acetaldehyde cyanohydrin on hydrolysis gives :

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  9. The reaction 2C(6)H(5)CHOoverset(50% NaOH)rarrC(6)H(5)COONA+C(6)H(5)...

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  10. Aldehydes give silver mirror test with ammoniacal silver nitrate solut...

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  11. Benzaldehyde reacts with phenyl hydrazine to form the product .

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  12. Benzaldehyde on reduction with NaBH(4) gives :

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  13. Meta formaldehyde is a :

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  14. Acetaldehyde reacts with thionyl chloride to give (the main product )...

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  15. Three moles of acetone condense in the presence of dry HCl to form :

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  16. In Clemmensen 's reduction of aldehydes and ketones , the reducing age...

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  17. Benzaldehhyde reacts with ammonia to give :

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  18. At room temperature , in the presence of traces of conc . H(2)SO(4) , ...

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  19. Which of the following is most difficult to oxidise ?

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