Purchase Solution

Practice Exam - Frontier Orbitals; Self Dissociation; Formation of Halogen Cation, etc ...

Not what you're looking for?

Ask Custom Question

1. Explain the following, with suitable examples:
a. Frontier orbitals
b. A 3-center 2e- bond
c. Tendency of P to form d pi -p pi bond
d. Self dissociation of ammonia
e. Formation of halogen cation

**Please see attachment for proper citation of symbols.

Purchase this Solution

Solution Preview

The frontier orbitals are the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO). Example: Methylene belongs to the C2v point group. The HOMO and LUMO have, respectively, s-type (A1) and p-type (B2) symmetry and are separated by about 1 eV. Symmetric and antisymmetric combinations of these orbitals give the C-C bonding and antibonding orbitals of ethylene (ethene, C2H4). Ethene belongs to the D2h point group.

Compounds that contain fewer valence electrons than valence ...

Purchase this Solution


Free BrainMass Quizzes
Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

General Chemistry - Classification of Matter

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

Match Elements with their Symbols

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

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.