Sodium Bromide and Water Reactions

The video tutorial explains how to write the chemical equation for the reaction of sodium bromide (NaBr) with water (H2O). It begins by introducing the compounds and checking the solubility of sodium bromide in water using solubility rules. Sodium bromide is found to be soluble, dissociating into sodium ions (Na+) and bromide ions (Br-). The tutorial then demonstrates how to write the chemical equation, noting that the ions are in aqueous form. It also discusses different ways to represent water in the equation, either above the arrow or in the products. The video concludes with a summary of the process.

What is the initial form of sodium bromide used in the reaction with water?

• Solid

• Aqueous

• Liquid

• Gas

Which group in the periodic table does sodium belong to, making it soluble in water?

• Group 4

• Group 3

• Group 1

• Group 2

What happens to sodium bromide when it is dissolved in water?

• It forms a precipitate

• It dissociates into ions

• It remains unchanged

• It evaporates

What is the charge on the sodium ion after dissociation?

• 1-

• 2-

• 1+

• 2+

How are the ions of sodium bromide represented in the equation after dissolution?

• As aqueous

• As gases

• As liquids

• As solids

Where can water be placed in the chemical equation for NaBr and H2O?

• Only above the arrow

• Above the arrow or in the products

• Only on the product side

• Only on the reactant side

What does the term 'aqueous' indicate in a chemical equation?

• The substance is a solid

• The substance is dissolved in water

• The substance is a gas

• The substance is a liquid