Concentration change - Potassium ferricyanide experiment

What color change is observed when potassium thiocyanide is added to ferric nitrate?

• The solution turns blue.

• The solution turns deep red.

• The solution turns green.

• The solution turns purple.

What is the role of oxalic acid in the equilibrium reaction involving ferric ions?

• It removes ferric ions from the mixture.

• It stabilizes the thiocyanide ions.

• It turns the solution blue.

• It increases the concentration of ferric ions.

How does the removal of ferric ions affect the chemical equilibrium?

• It causes the solution to turn green.

• It leads to the formation of a new compound.

• It creates stress and disturbs the equilibrium.

• It has no effect on the equilibrium.

What happens when the concentration of thiocyanide ions increases in the solution?

• The solution turns blue.

• A forward reaction occurs, forming an iron complex ion.

• The solution becomes colorless.

• The equilibrium remains unchanged.

What is the final color of the solution when potassium thiocyanide is added to ferric nitrate?

• Bright green

• Dark red

• Light blue

• Pale yellow