Observation: When Fe3+ was added, the Fe3+–NCS–FeNCS2+ equilibrium mixture turned darker red. When Fe3+ was added, the reaction shifted... Choose...to the reactants or to the products Account for the effect of adding Fe3+, including a chemical reaction

Observation: When Fe3+ was added, the Fe3+–NCS–FeNCS2+ equilibrium mixture turned darker red. When Fe3+ was added, the reaction shifted... Choose...to the reactants or to the products Account for the effect of adding Fe3+, including a chemical reaction

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter16: Solubility And Precipitation Equilibria

Section: Chapter Questions

Problem 38P

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Question

Select the shift in the reaction that is indicated by the change in color you observed. Then explain this change. Recall the reaction is as follows:

Fe3+(aq)+NCS−(aq)⇌FeNCS2+(aq)

Observation: When Fe³⁺ was added, the Fe³⁺–NCS–FeNCS²⁺ equilibrium mixture turned darker red.

When Fe³⁺ was added, the reaction shifted...

Choose...to the reactants or to the products

Account for the effect of adding Fe³⁺, including a chemical reaction.

Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.

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