Chapter 12, Problem 59E

Interpretation Introduction

Interpretation:

Lewis diagram for both the iodides ${\text{AsI}}_{\text{3}}$ and ${\text{AsI}}_5$ which follows the octet rule and which does not is to be drawn and stated.

Concept introduction:

Lewis diagram is the electron dot model of the diagram showing each pair of electrons between the two atoms leading to the formation of one covalent bond.

Lewis diagrams follow the octet rule when drawn. That is, the total number of electrons around each can be maximum eight.