Strontium Hydroxide Properties and Reactions

The video tutorial explores whether strontium hydroxide (SrOH2) is an acid, base, or neutral. It is identified as a strong base due to the presence of the hydroxide ion (OH-) bonded to a metal, strontium. The video explains that when strontium hydroxide is dissolved in water, it dissociates into strontium ions (Sr2+) and hydroxide ions (OH-), forming an alkaline solution. The tutorial emphasizes the importance of memorizing common strong acids and bases to understand their properties and behavior in solutions.

What is the primary question addressed in the video regarding Sr(OH)2?

• Whether it is a strong or weak acid

• Whether it is soluble in water

• Whether it is an acid, base, or neutral

• Whether it is a metal or non-metal

Which group on the periodic table does strontium belong to?

• Group 4

• Group 3

• Group 2

• Group 1

What ion is formed when a metal bonds with OH?

• Nitrate ion

• Sulfate ion

• Carbonate ion

• Hydroxide ion

What type of solution does strontium hydroxide produce when dissolved in water?

• Alkaline solution

• Neutral solution

• Saline solution

• Acidic solution

Why is it helpful to memorize tables of strong acids and bases?

• To predict chemical reactions

• To determine the strength of acids and bases

• To know the solubility of compounds

• To identify metals

What is strontium hydroxide classified as?

• Weak acid

• Strong acid

• Weak base

• Strong base

What happens to strontium hydroxide when it is placed in water?

• It reacts with water to form an acid

• It remains undissolved

• It dissociates into ions

• It forms a precipitate

What is the ionic charge of the strontium ion after dissociation?

• 2-

• 1-

• 2+

• 1+

How many hydroxide ions are produced from one molecule of strontium hydroxide?

• Four

• One

• Two

• Three

What is the final conclusion about Sr(OH)2 in the video?

• It is a weak acid

• It is a neutral compound

• It is a strong base

• It is a weak base