Home
Class 12
CHEMISTRY
RCONH2 is converted into RNH2 by means o...

`RCONH_2` is converted into `RNH_2` by means of Hofmann bromamide degradation.

In this `RCONHBr` is formed form which this reaction has derived its name. Electron-donating group at phenyl activities the reaction. Hofmann degradation reaction is an intramolecular reaction.
Hoe can the conversation of `(i) to (ii)` be brought about ?

A

`KBr`

B

`KBr + CH_(3) ON a`

C

`KBr + KOH`

D

`Br_2 + KOH`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Multiple Correct)|2 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Fill In The Blanks)|1 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Assertion-Reasoning)|2 Videos

  • BIOMOLECULES

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Analytical And Descriptive)|8 Videos

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|23 Videos

Similar Questions

Explore conceptually related problems

RCONH_2 is converted into RNH_2 by means of Hofmann bromamide degradation. In this RCONHBr is formed form which this reaction has derived its name. Electron-donating group at phenyl activities the reaction. Hofmann degradation reaction is an intramolecular reaction. Which is the rate-determining step in Hofmann bromamide degradation ?

RCONH_2 is converted into RNH_2 by means of Hofmann bromamide degradation. In this RCONHBr is formed form which this reaction has derived its name. Electron-donating group at phenyl activities the reaction. Hofmann degradation reaction is an intramolecular reaction. Which is the rate-determining step in Hofmann bromamide degradation ?

RCONH_2 is converted into RNH_2 by means of Hofmann bromamide degradation. In this RCONHBr is formed form which this reaction has derived its name. Electron-donating group at phenyl activities the reaction. Hofmann degradation reaction is an intramolecular reaction. What are the constituent amines formed when the mixture of (1) and (2) undergoes Hofmann bromamide degradation ? (1) (2) .

Which of the following reaction is involved in the preparation of primary amines : (i) Hofmann's bromamide reaction and (ii) Gobriel phthalimide synthesis

A: In Hofmann's bromamide degradation amines formed containing one carbon atom less than carbon atoms present in amide. R: This reaction occurs through the formation of nitrine intermediate

Assertion : Hofmann degradation of benzamide gives aniline . Reason : Hofmann bromamide degradation reaction can be used for descending amine series .

In the hofmann-bromamide degradation reaction, the number of moles of NaOH and Br_(2) used per mole of amine produced are

Statement-1 : Electrons releasing group at para position of a migrating aryl group enhances. The rate of reaction in Hofmann's preparation of primary amine from amides. Statement-2:

Write structures and IUPAC names of (i) the amide which gives propanamine by Hoffmann bromamide reaction. (ii) the amine produced by the Hoffmann degradation of benzamide.

Knowledge Check

  • In Hofmann bromamide degradation reaction R-overset(O)overset(||)C-NH_2+KOH+Br_2to intermediates are:

    A
    RCONHBr
    B
    RNCO
    C
    `RNH_2`
    D
    none of these