Zinc and Iron(III) Chloride Reactions

The video tutorial explains how to balance the chemical equation for zinc and iron(III) chloride. It begins by counting the atoms on both sides of the equation and adjusting coefficients to balance chlorine atoms. The tutorial then balances zinc and iron atoms, resulting in a balanced equation. The type of reaction is identified as a single displacement reaction, where zinc displaces iron due to its higher position in the activity series.

What is the initial number of chlorine atoms on the reactant side in the equation involving zinc and iron(III) chloride?

• Four

• One

• Two

• Three

Why is it necessary to adjust the coefficient of chlorine to an even number?

• To balance the equation more easily

• To increase the reaction rate

• To decrease the reaction rate

• To make the equation more complex

What coefficient is placed in front of zinc chloride to balance the chlorine atoms?

• One

• Four

• Two

• Three

How many zinc atoms are there on the product side after balancing?

• Four

• One

• Two

• Three

What type of reaction is demonstrated in the equation involving zinc and iron(III) chloride?

• Single displacement

• Synthesis

• Decomposition

• Double displacement

Which element is higher on the activity series, allowing it to displace the other?

• Zinc

• Iron

• Hydrogen

• Chlorine

What happens to the iron in the reaction after zinc displaces it?

• It forms a compound with oxygen

• It is released as a free element

• It remains bonded to chlorine

• It forms a compound with zinc

What is the final balanced equation for the reaction between zinc and iron(III) chloride?

• 3Zn + 2FeCl3 → 3ZnCl2 + 2Fe

• 2Zn + 3FeCl3 → 2ZnCl3 + 3Fe

• Zn + 2FeCl3 → ZnCl3 + 2Fe

• Zn + FeCl3 → ZnCl2 + Fe