Solubility of Sulfates and Ions

The video explores the solubility of iron(II) sulfate (FeSO4) in water, confirming it is soluble. It explains the use of solubility rules and charts to determine solubility, highlighting that most sulfates are soluble with few exceptions. The video also demonstrates how to use a solubility chart to identify the solubility of FeSO4 by matching ions. Finally, it suggests a practical test by dissolving FeSO4 in water to observe its solubility.

What is the solubility status of FeSO4 in water?

• Not enough information

• Partially soluble

• Soluble

• Insoluble

Which of the following is a general rule for the solubility of sulfates?

• Sulfates are soluble only in hot water

• All sulfates are insoluble

• Sulfates are soluble only in acidic solutions

• Most sulfates are soluble

According to solubility rules, which of these is NOT an exception for sulfate solubility?

• Lead (II) sulfate

• Barium sulfate

• Calcium sulfate

• Iron (II) sulfate

What does the 'S' indicate in a solubility chart for FeSO4?

• Suspended

• Saturated

• Soluble

• Solid

What is the charge of the sulfate ion (SO4) in FeSO4?

• 1-

• 2-

• 3-

• 2+

What ions are formed when FeSO4 dissolves in water?

• Fe3+ and SO3 2-

• Fe3+ and SO4 2-

• Fe2+ and SO4 2-

• Fe2+ and SO3 2-

What does 'aq' signify when written after an ion?

• The ion is in gaseous form

• The ion is in solid form

• The ion is dissolved in water

• The ion is in liquid form

What is one method to confirm the solubility of a compound in water?

• Measure its melting point

• Check its color

• Test its electrical conductivity

• Observe if it dissolves in water

What is the final conclusion about the solubility of FeSO4 in water?

• It is soluble

• It is not soluble at all

• It is insoluble

• It is partially soluble

Who is the presenter of the video?

• Dr. D

• Dr. C

• Dr. B

• Dr. A