Balancing Reactions with Sodium Hydroxide

The video tutorial explains the process of balancing a chemical equation involving sodium hydroxide and iron(III) chloride. It begins with an introduction to the double displacement reaction, followed by counting the atoms involved. The tutorial then demonstrates how to balance the equation by adjusting the coefficients, ensuring that the number of atoms for each element is equal on both sides. The video concludes with a final check to confirm the equation is balanced.

What type of reaction is demonstrated with sodium hydroxide and iron(III) chloride?

• Synthesis reaction

• Decomposition reaction

• Double displacement reaction

• Single displacement reaction

In the initial setup, which two elements are exchanged in the reaction?

• Hydrogen and Oxygen

• Iron and Chlorine

• Iron and Sodium

• Sodium and Chlorine

How many hydroxide ions are initially present on the product side?

• One

• Two

• Three

• Four

What coefficient is placed in front of NaOH to balance the hydroxide ions?

• 1

• 4

• 2

• 3

After balancing hydroxide ions, how many sodium atoms are present on the reactant side?

• Two

• Four

• One

• Three

What adjustment is made to balance the sodium atoms on the product side?

• Add a coefficient of 2 in front of NaCl

• Add a coefficient of 3 in front of NaCl

• Add a coefficient of 4 in front of NaCl

• No adjustment needed

How many chloride ions are present on the product side after balancing?

• Four

• Three

• Two

• One

What is the benefit of treating the hydroxide ion as a single unit during balancing?

• It simplifies the balancing process

• It increases the number of steps

• It makes the equation more complex

• It has no effect on balancing

What is the final balanced equation for the reaction between NaOH and FeCl3?

• 3NaOH + FeCl3 → Fe(OH)3 + 3NaCl

• NaOH + FeCl3 → Fe(OH)3 + NaCl

• NaOH + 2FeCl3 → 2Fe(OH)3 + NaCl

• 2NaOH + FeCl3 → Fe(OH)3 + 2NaCl