Chemistry Complex Formation Equilibrium Quiz

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9 Questions

In the stepwise formation of [Ag(NH3)2]+, how many ligands are involved in the final complex?

2

What is the formation constant (Kf) for [Ag(NH3)2]+?

3.91

What is the equilibrium concentration of Ag+ if a solution contains 2.5 M NH3 and forms [Ag(NH3)]+?

0.040 M

Which species has a higher formation constant, [Ag(NH3)]+ or [Ag(NH3)2]+?

[Ag(NH3)2]+

What is the overall Kf value for forming [Ag(NH3)2]+ from Ag+ and NH3?

$10^{7.22}$

If [Ag(NH3)]+ has a concentration of 0.02 M, how much NH3 is present?

0.04 M

When forming [Ag(NH3)2]+ from [Ag(NH3)]+, how many ligands are exchanged?

1

Which of the following is a common misconception about complex formation?

[Ag(NH3)2]+ has a lower formation constant than [Ag(NH3)]+.

What would be the equilibrium concentration of Ag+ if all Ag+ reacts to form [Ag(NH3)]+?

$0$ M

Test your knowledge on complex formation equilibrium in chemistry with this quiz. Questions cover reactions such as Cu + 4NH3 ⇌ [Cu(NH3)4]2+ and the equations for producing soluble complexes like M + L ⇌ ML. Copyright © 2011 Cengage Learning material included.

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