Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 19: Q28P (page 946)

Pyrrole reacts with excess para-(N,N-dimethylamino)benzaldehyde to form a highly colored compound. Draw the structure of the colored compound.

Short Answer

Expert verified

The main component of an Ehrlich’s reagent is para-(N,N-dimethylamino) benzaldehyde. This reagent is used for identifying psychoactive compounds, and it reacts with the pyrrole to generate a colored compound.

Step by step solution

01

Ehrlich’s reagent  

The main component of an Ehrlich’s reagent is para-(N,N-dimethylamino) benzaldehyde. This reagent is used for identifying psychoactive compounds, and it reacts with the pyrrole to generate a colored compound.

02

Structure of the colored compound formed by the reaction of pyrrole with para-(N,N-dimethylamino)benzaldehyde

Pyrrole reacts with para-(N,N-dimethylamino) benzaldehyde to form a highly colored compound. The reaction mechanism is as shown below.

The structure of the colored compound is as shown below.

Structure of the colored compound

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

One of the following compounds undergoes electrophilic aromatic substitution predominantly at C-3, and one undergoes electrophilic aromatic substitution predominantly at C-4. Which is which?

When pyrrole is added to a dilute solution of D2SO4inD2O , 2-deuteriopyrrole is formed. Propose a mechanism to account for the formation of this compound.

The chemical shifts of the C-2 hydrogen in the spectra of pyrrole, pyridine, and pyrrolidine are 2.82 ppm, 6.42 ppm, and 8.50 ppm. Match each heterocycle with its chemical shift.

Rank the following compounds from most reactive to least reactive in an electrophilic aromatic substitution reaction:

Draw arrows to show the movement of electrons in going from one resonance contributor of pyrrole to the next.
See all solutions

Recommended explanations on Chemistry Textbooks

Making Measurements

Read Explanation

Organic Chemistry

Read Explanation

Kinetics

Read Explanation

Chemical Analysis

Read Explanation

Ionic and Molecular Compounds

Read Explanation

The Earths Atmosphere

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free