Multiple Choice
The images in the figure represent aqueous solutions of ionic compounds. Which could correspond to Na2S?
A) I only
B) II only
C) III only
D) I and III
E) II and III
Correct Answer:

Verified
Correct Answer:
Verified
Q41: Which of the following formula/name pairs is
Q42: Rank the boiling points of the following
Q43: Which set of ions is formed when
Q44: The formula for the phosphate ion is:<br>A)PO<sub>3</sub><sup>2-</sup><br>B)PO<sub>3</sub><sup>4-</sup><br>C)PO<sub>3</sub><sup>3-</sup><br>D)PO<sub>4</sub><sup>2-</sup><br>E)PO<sub>4</sub><sup>3-</sup>
Q45: The compound NO<sub>2</sub> is a reddish brown
Q47: The formula for the ammonium ion is:<br>A)NH<sub>3</sub><sup>+</sup><br>B)NH<sub>3</sub><br>C)NH<sub>4</sub><sup>+</sup><br>D)NH<sub>4</sub><br>E)NH<sub>4</sub><sup>-</sup>
Q48: Based on common charges, which formula for
Q49: Which of the following formula/name combinations is
Q50: The formula for the iodate ion is
Q51: Which of the following formula/name pairs is