Home
Class 12
CHEMISTRY
The vapours of ethyl alcohol are passed ...

The vapours of ethyl alcohol are passed over red hot copper at 573 K to form:

A

Methane

B

formaldehyde

C

Acetone

D

Acetaldehyde

Text Solution

Verified by Experts

The correct Answer is:
D
`CH_(3)CH_(2)OH overset(Cu) underset({:(575 K),(-H_(2)):})tounderset("Acetaldehyde")(CH_(3)CHO)`
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES, KETONES AND CARBOXYLIC ACID

    A2Z|Exercise Assertion-Reasoning Questions|7 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • BIOMOLECULES

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

When vapours of secondary alcohol are passed over hot copper at 573K, the product formed is :

Name the main product obtained when vapour of tert-butyl alcohol are passed over heated copper at 573 K.

When the vapours of tert-butyl alcohol are passed through heated copper at 578 K, the main product formed is

The vapour density of ethyl alcohol vapour is

The vapour density of ethyl alcohol vapour is

When vapours of ethyl alcohol are passed over alumina at 523K, if forms

When vapours of tert.butyl alcohol are passed over hot copper, it gives ....

What happens when ? (a) Ethyl bromide reacts with sodium ethoxide. (b) Ethyl alcohol is heated with conc. H_(2)SO_(4) at 413 K . (c ) The vapours of ethyl alcohol are passed over anhydrous alumina at 523K. (d) Diethyl ether is heated with phosphorus pentachloride. (e ) Ethyl iodide is heated with dry oxide. (f) Ether is heated with hydroiodic acid. (g ) Ether i sheated with conc. H_(2)SO_(4) . [See the preparation and properties of diethyl ether. ]

A2Z-ALDEHYDES, KETONES AND CARBOXYLIC ACID-Section D - Chapter End Test
  1. What of the following is expected to be most highly ionised in water ?

    Text Solution

    |

  2. Ethylidene chloride is hydrolysed with aqueous NaOH. The product forme...

    Text Solution

    |

  3. The vapours of ethyl alcohol are passed over red hot copper at 573 K t...

    Text Solution

    |

  4. (CH(3))(2) CHOH overset ("Mild") underset ("oxidation"[0]) to (X) over...

    Text Solution

    |

  5. The chemical reaction of acetaldehyde and ammonia results in:

    Text Solution

    |

  6. When diethyl cadmium [(C(2)H(5))(2)Cd] is treated with acetyl chloride...

    Text Solution

    |

  7. The product formed by the reaction of acetaldehyde with excess of etha...

    Text Solution

    |

  8. Which of the following will not be formed when calcium formate is dist...

    Text Solution

    |

  9. In order to prepare acetone from acetyl chloride in one step, which of...

    Text Solution

    |

  10. Which of the following reagents can help in separating a mixture of ac...

    Text Solution

    |

  11. The reagents used to convert

    Text Solution

    |

  12. Which of the following is the stronger acid?

    Text Solution

    |

  13. Of the following which compound is an acetal ?

    Text Solution

    |

  14. Which reagent can distinguish between pentanoic acid and pentanamide ?

    Text Solution

    |

  15. The major product of the reaction is:

    Text Solution

    |

  16. Which Hatom in the following ester is most acidic?

    Text Solution

    |

  17. Give decreasing order of the following towards NA reaction. I. I...

    Text Solution

    |

  18. Which of the following is the best method for the synthesis of ester (...

    Text Solution

    |

  19. How will you distinguish the products proucts obtained by acidic hydro...

    Text Solution

    |

  20. underset((A)) (PhCONH2) underset(KOBr)rarr (B) underset(MeOH)rarr (C) ...

    Text Solution

    |