Chemical Equations and Sulfate Ions

This video tutorial explains the reaction of tin(II) sulfate (SnSO4) with water. It begins by introducing the compounds involved and discusses the solubility of ionic compounds in water, specifically focusing on tin(II) sulfate. The video then details how SnSO4 dissociates into its ions, Sn2+ and SO4 2-, when dissolved in water, and explains the notation used for aqueous solutions. The tutorial concludes with a summary of the reaction and the importance of understanding solubility rules.

What is the chemical formula for tin(II) sulfate?

• SnSO4

• Sn2SO4

• Sn(SO4)2

• Sn2(SO4)3

Which of the following best describes the nature of tin(II) sulfate?

• Covalent compound

• Ionic compound

• Metallic compound

• Molecular compound

According to solubility rules, are most sulfates soluble in water?

• Only in basic solutions

• Only in acidic solutions

• No, they are generally insoluble

• Yes, with some exceptions

What ions are formed when tin(II) sulfate dissolves in water?

• Sn4+ and SO3 2-

• Sn2+ and SO4 2-

• Sn4+ and SO4 2-

• Sn2+ and SO3 2-

What is the charge on the sulfate ion?

• 2+

• 1+

• 2-

• 1-

How is the aqueous state of ions represented in a chemical equation?

• By writing 's' after the formula

• By writing 'g' after the formula

• By writing 'l' after the formula

• By writing 'aq' after the formula

In a chemical equation, where might you sometimes see water written?

• To the left of the reactants

• Below the arrow

• Above the arrow

• To the right of the products

Why might water not be written again in the products of a reaction involving aqueous ions?

• Because it evaporates

• Because it is a solid

• Because it is implied by the 'aq' notation

• Because it reacts completely

Who is the presenter of the video?

• Dr. A

• Dr. B

• Dr. C

• Dr. D