CdCl
2
and Na
2
S
Chapter 5-10
University of Arkansas Little Rock
Mariam R. Shaikh, Xiaomin Tu, Dr. Robert Belford
Question 1
Before watching the movie, predict what are the precipitation and the color of the precipitation.
(A)
Sodium Chloride, clear
(B)
Sodium Chloride, yellow
(C)
Cadmium (II) Sulfide, blue
(D)
Cadmium (II) Sulfide, yellow
Hint
Your response
Not answered yet
Question 2
What is the general (molecular) equation for the reaction?
(A)
(B)
(C)
(D)
Your response
Not answered yet
Question 3
What is the total ionic equation for the reaction?
(A)
(B)
(C)
(D)
Your response
Not answered yet
Question 4
What is the net ionic equation for the reaction?
(A)
(B)
(C)
(D)
Your response
Not answered yet
Question 5
Identify any spectator ion(s).
(A)
Na
+
(B)
Cl
-
(C)
both A and B
(D)
none
Your response
Not answered yet
Question 6
Which one of the following solutions can also form a precipitation with Na
2
S?
(A)
KCl
(B)
K
2
S
(C)
PbCl
2
(D)
NaCl
Your response
Not answered yet
