Interactive Practice Quiz
Chapter 12

1. A compound with a total coordination number (number of electron dense regions) of 5 will have the electron regions distributed as

a) Trigonal Planar

 

b) Tetrahedral

 

c) Trigonal Bipyramidal

 

d) Octahedral

 

2. Draw the Lewis structure for NH₂^- and give its molecular geometry.

a) Linear

 

b) Tetrahedral

 

c) Trigonal pyramidal

 

d) Bent

 

3. Draw the Lewis structure for I₃^- and give its molecular geometry.

a) Trigonal bipyramid

 

b) Trigonal planar

 

c) Linear

 

d) Bent

 

4. Draw the Lewis structure for NO₂^- and identify the hybridization state of N.

a) sp³

 

b) sp

 

c) sp³d

 

d) sp²