Home
Class 12
CHEMISTRY
When ethanal is heated with Fehling's so...

When ethanal is heated with Fehling's solution, it gives a precipitate of :

A

Cu

B

CuO

C

`Cu_2O`

D

`Cu + Cu_2O + CuO`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Haloalkanes and Haloarenes

    JMD PUBLICATION|Exercise EXERCISE|80 Videos

  • POLYMERS

    JMD PUBLICATION|Exercise EXAMPLE|106 Videos

Similar Questions

Explore conceptually related problems

When ethanol is heated with HI and red phosphorus, it gives

Benzaldehyde reduces Fehling Solution.

A Compound with the empirical formula Co(NH_3)_5 BrSO_4 exists in two forms : red and violet. Solution of red gives a precipitate of AgBr on addition of AgNO_3 . The violet form Sives no precipitate on the addition at AgNO_3 but gives a white precipitate on addition of BaCl_2 solution. From these observations draw the structure of each compound and explain the observations.

When a magnetic substance is heated, then it

Write balanced chemical equation and identify the type of chemical rection taking place when: Barium Chloride solution is mixed with copper sulphate solution and a white precipitate is observed.

JMD PUBLICATION-ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP CONTAINING OXYGEN - II-EXAMPLE
  1. IUPAC name of acetic acid is :

    Text Solution

    |

  2. IUPAC name of formic acid is:

    Text Solution

    |

  3. When ethanal is heated with Fehling's solution, it gives a precipitat...

    Text Solution

    |

  4. The reagent which can be used to distinguish acetophenone from benzoph...

    Text Solution

    |

  5. CH3CHO and C6H5CH2CHO can be distinguised chemically by :

    Text Solution

    |

  6. Common name of pentanal is -----------.

    Text Solution

    |

  7. IUPAC name of acrolein is prop-2-enal.

    Text Solution

    |

  8. '1^@ alcohol on dehydrogenation with a heavy metal catalyst (Cu or Ag)...

    Text Solution

    |

  9. Oxidation of a 1^@ alcohol with PCC gives an aldehyde.

    Text Solution

    |

  10. Oxidation of a 1^@ alcohol with chromic anhydride gives a ketone.

    Text Solution

    |

  11. Oxidation of methylbenzene with acidified KMnO4 gives benzaldehyde.

    Text Solution

    |

  12. oxidation of toluene with chromyl chloride followed by hydrolysis giv...

    Text Solution

    |

  13. Benzaldehyde can be prepared by the hydrolysis of benzal chloride.

    Text Solution

    |

  14. Hydration of an alkyne to get an aldehyde or ketone is possible in the...

    Text Solution

    |

  15. Methanal is a highly pungent gas at room temperature

    Text Solution

    |

  16. Carbonyl compounds undergo electrophilic additon reactions

    Text Solution

    |

  17. Aldehyde group is o, p-directing and activating in electrophilic subst...

    Text Solution

    |

  18. In clemmensen reduction aldehyde changes into

    Text Solution

    |

  19. Catalytic hydrogenation of ketones gives 2^@ alcohol

    Text Solution

    |

  20. Reduction of aldehydes with Lia1H4 or NaBH4 GIVES 1^@ alcohol

    Text Solution

    |