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When acetaldehyde is heated with Fehling...

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

A

a.`Cu`

B

b.`CuO`

C

c.`Cu_(2)O`

D

d.`Cu+Cu_(2)O+CuO`

Text Solution

Verified by Experts

The correct Answer is:
C
`MeCHO+2Cu^(2+)+5overset(ɵ)(O)Hrarr MeCOO^(ɵ)+Cu_(2)O (Red ppt.)+3H_(2)O`
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CENGAGE CHEMISTRY-REDUCTION AND OXIDATION REACTION OF ORGANIC COMPOUNDS-Exercise Archives (Subjective)
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  2. A compound that gives a positive iodoform test is:

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

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  4. The compound that will not give iodoform on treatment with alkali and ...

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  5. Which of the following compounds is oxidised to prepare methyl ethyl k...

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  6. Hydrogenation of benzoyl chloride in the presence of Pd on BaSO4 gives

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  7. The appropriate reagent for the following transformation is

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  8. Which one of the following will most readily be dehydrated in acidic c...

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  9. 1-Propanol and 2- propanol can be distinguished by:

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  10. Compound (A) [molecular formula (C(3)H(8)O)] is treated with acidified...

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  11. PhC-=CPh overset(Hg^(2+)+H^(o+))to(A). The compound (A) is The comp...

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  12. The products of acid hydrolysis of P and Q can be distinguished by

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  13. How will you convert butan-2-one to propanoic acid?

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  14. Which of the following compound will give a yellow precipitate with io...

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  15. Under Wolff-Kishner reduction conditions, the conversion which may be ...

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  16. Fehling's solution 'A' consists of an aqueous solution of copper sulph...

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  17. The yield of ketone when a secondary alcohol is oxidised is more than ...

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  18. Statement I: Acetic acid does not undergo haloform reaction. Stateme...

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  19. Give a chemical test to distinguish between methanol and ethanol.

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  20. Suggest a suitable reagent to distinguish acetaldehyde from acetone.

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