Chapter 2, Problem 2.107QE

(a)

Interpretation Introduction

Interpretation:

Name of ${\text{PBr}}_{\text{5}}$ has to be written.

Concept Introduction:

Two or more nonmetals combine to form molecular compounds.  The naming of molecular compound is given by following two rules.

• Element that is present in far left of the periodic table appears in the name first.
• Element that is closer to bottom within any of the group appears in the name first.

Numerical prefixes are used in case of molecular compounds to mention how many times the atom of same elements occurs in the formula.  Prefix mono is not used for the first element while for the second element it is used.

(b)

Interpretation Introduction

Interpretation:

Name of ${\text{SeO}}_{\text{2}}$ has to be written.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

Name of ${\text{B}}_{\text{2}}{\text{Cl}}_{\text{4}}$ has to be written.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

Name of ${\text{S}}_{\text{2}}{\text{Cl}}_{\text{2}}$ has to be written.

Concept Introduction:

Refer part (a).