Solubility and Dissociation of KClO3

The video tutorial discusses the solubility of potassium chlorate (KClO3) in water. It explains that KClO3 is soluble, supported by solubility rules and charts. Group one elements like potassium are generally soluble. The video also demonstrates using a solubility chart to confirm KClO3's solubility, showing it dissociates into K+ and ClO3- ions in water. Additionally, it suggests a practical method of observing KClO3's solubility by mixing it with water. The conclusion reaffirms that KClO3 is soluble.

What is the solubility status of potassium chlorate (KClO3) in water?

• Insoluble

• Soluble

• Partially soluble

• Depends on temperature

Which group of elements is known to be soluble in water according to solubility rules?

• Noble gases

• Transition metals

• Group 2 elements

• Group 1 elements

What is the charge of the potassium ion (K+) in potassium chlorate?

• Negative

• Neutral

• Positive

• Variable

What does the 'S' indicate on a solubility chart for KClO3?

• Soluble

• Solid

• Saturated

• Suspended

What happens to KClO3 when it dissolves in water?

• It evaporates

• It remains unchanged

• It dissociates into ions

• It forms a precipitate

What ions are formed when KClO3 dissociates in water?

• K+ and ClO3-

• K- and ClO3+

• K+ and Cl-

• K2+ and ClO3-

What is a practical method to confirm the solubility of KClO3?

• Heating it

• Mixing with oil

• Freezing it

• Observing it in water

What conclusion can be drawn about KClO3 based on the solubility rules and chart?

• It is volatile

• It is partially soluble

• It is insoluble

• It is soluble