Purchase Solution


Not what you're looking for?

Ask Custom Question

Methyl Orange is an acid-base indicator. In dilute solution, at a pH greater than 4.4, it is yellow. At pH=3.2, the solution appears red. Draw a structure of the species that is formed at the lower pH of the acid proton that adds to the azo nitrogen atom adjacent to the aromatic ring containing the -SO3 group. Why does the proton add to this particular nitrogen when two other nitrogen atoms are available in the molecule?

Purchase this Solution

Solution Summary

This solution contains the two possible structures which this chemical compound can form at a lower pH, as well as an explanation as to why hydrogen and nitrogen bond in the manner that they do. A word document attachment accompanies this solution and presents the chemical structures needed for the answer.

Solution Preview

The reason why the H adds to that particular nitrogen is because ...

Purchase this Solution

Free BrainMass Quizzes
Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.


The quiz helps in revising basic concepts about thermochemistry.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.