Chapter 2.7, Problem 5PE

(a)

Interpretation Introduction

Interpretation:

For the given oxoacid $\text{HBrO}$ has to be named.

Concept introduction:

Rules to name the oxoacid:

• Addition of one oxygen atom to ‘ic’ acid is called “per_____ic” acid.  Thus addition of an oxygen atom to ${\text{HClO}}_{\text{3}}$ is perchloric acid $\left({\text{HClO}}_{\text{4}}\right)$.
• Elimination of one oxygen atom from ‘ic’ acid is called “ous” acid.  Thus, nitric acid ${\text{HNO}}_{\text{3}}$ turns nitrous acid ${\text{HNO}}_{\text{2}}$.
• Elimination of two oxygen atoms from ‘ic’ acid is called “hypo____ous” acid.  Thus, ${\text{HBrO}}_{\text{3}}$ become $\text{HBrO}$, this is called hypobromic acid.

(b)

Interpretation Introduction

Interpretation:

For the given oxoanion ${\text{HSO}}_4^{-}$ has to be named.

Concept introduction:

Rules to naming oxoanion:

• Elimination of all hydrogen ions from ‘ic’ acid, then the name of anion ends with ‘ate’.
• Elimination of all hydrogen ions from ‘ous’ acid, then the name of anion ends with ‘ite’.
• The name of the anion in which one or more (not all) hydrogens have eliminated must denotes the number of H ion present.