Indicate whether the addition of each of the following increase or decrease the

Question

Indicate whether the addition of each of the following increase or decrease the FeSCN2+   in an equillibrium mixture. Explain Add            IncreasesFeSCN2+       DecreasesFeSCN2+                      Reason a. Fe3+ b. Heat c. Cl- d. Cooling e. SCN- Indicate whether the addition of each of the following increase or decrease the FeSCN2+   in an equillibrium mixture. Explain Add            IncreasesFeSCN2+       DecreasesFeSCN2+                      Reason a. Fe3+ b. Heat c. Cl- d. Cooling e. SCN-

Explanation / Answer

Add            IncreasesFeSCN2+       DecreasesFeSCN2+                      Reason a. Fe3+               IncreasesFeSCN2+                                                                         as per Le-chatlierprinciple                                               b. Heat                                          DecreasesFeSCN2+                   the backward reaction is endothermic c. Cl-                                                     DecreasesFeSCN2+             Cl- thearatically decreses the con ofFe3+ d. Cooling     IncreasesFeSCN2+                                                                            the farward reaction isexothermic e. SCN-       IncreasesFeSCN2+                                                                         as per Le-chatlier principle,i (increse                                                                                                       any of the reactents shifts the equilibrium                                                                                                         towards products ) both the equilibria involved menctioned bellow                  Fe3+ (aq) + 2SCN2+ <==> FeSCN2+ + Heat                   FeCl3(aq)<=> Fe3+ (aq)+ 3Cl- (aq)

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