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his is the lab with my data sheet and please answer all of them. Thank you   My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red. Stresses: Add KSCN - turned deep red Add Fe(NO3)3 - turned deep red Add Na2CO3 - turned yellow/colourless Add NaOH - turned yellow/colourless Add NH3 - turned yellow/colourless Heat - turned lighter orange colour Cold - turned darker orange colour   question: What can you infer about the system from the colour change of the solution?
 How can this be possible if no additional Fe3+(aq) has been introduced? What does the addition of the solution do to the [Fe3+(aq)]?

his is the lab with my data sheet and please answer all of them. Thank you   My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red. Stresses: Add KSCN - turned deep red Add Fe(NO3)3 - turned deep red Add Na2CO3 - turned yellow/colourless Add NaOH - turned yellow/colourless Add NH3 - turned yellow/colourless Heat - turned lighter orange colour Cold - turned darker orange colour   question: What can you infer about the system from the colour change of the solution?
 How can this be possible if no additional Fe3+(aq) has been introduced? What does the addition of the solution do to the [Fe3+(aq)]?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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This is the lab with my data sheet and please answer all of them. Thank you

 

My data to support answers for questions.

The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.

Stresses:
Add KSCN - turned deep red
Add Fe(NO3)3 - turned deep red
Add Na2CO3 - turned yellow/colourless
Add NaOH - turned yellow/colourless
Add NH3 - turned yellow/colourless
Heat - turned lighter orange colour
Cold - turned darker orange colour

 

question:

  • What can you infer about the system from the colour change of the solution?

  • How can this be possible if no additional Fe3+(aq) has been introduced?
  • What does the addition of the solution do to the [Fe3+(aq)]?
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