Balancing Double Displacement Reactions

The video tutorial explains how to balance the chemical equation for diboron hexabromide reacting with nitric acid. It identifies the reaction as a double displacement type and demonstrates a method to simplify balancing by treating the nitrate group as a single unit. The tutorial walks through the steps to balance boron, bromine, hydrogen, and nitrate ions, concluding with a balanced equation.

What type of reaction occurs when diboron hexabromide reacts with nitric acid?

• Decomposition

• Synthesis

• Double displacement

• Single displacement

In the initial steps of balancing the equation, which elements are primarily considered?

• Boron, nitrogen, and oxygen

• Boron, bromine, and hydrogen

• Hydrogen, oxygen, and nitrogen

• Boron, bromine, and oxygen

Why is the nitrate group treated as a single unit during the balancing process?

• It simplifies the balancing process

• It is a complex ion

• It is a catalyst

• It does not change during the reaction

How many nitrate groups are present on the product side after initial balancing?

• Two

• Four

• Six

• Eight

What coefficient is placed in front of nitric acid to balance the nitrates?

• 2

• 4

• 6

• 8

After balancing the nitrates, what is the next element to be balanced?

• Hydrogen

• Boron

• Oxygen

• Bromine

What is the final coefficient for hydrogen bromide in the balanced equation?

• 2

• 4

• 8

• 6

What strategy is emphasized for balancing double displacement reactions?

• Balancing metals first

• Using complex ions as single units

• Balancing non-metals first

• Using trial and error

Which element is balanced last in the equation?

• Hydrogen

• Nitrogen

• Boron

• Bromine

What is the main benefit of treating nitrate as a single unit in this reaction?

• It reduces the number of steps

• It increases accuracy

• It prevents errors

• It is required by convention