Problem 13.87 Consider the endothermic reaction Fe3+( a q )+Cl?( a q )?FeCl2+( a

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Problem 13.87

Consider the endothermic reaction Fe3+(aq)+Cl?(aq)?FeCl2+(aq). Use Le Chatelier's principle to predict how the equilibrium concentration of the complex ion FeCl2+ will change after the following changes.

Part A

Fe(NO3)3 is added.

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Part B

Cl? is precipitated as AgCl by addition of AgNO3.

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Part C

The temperature is increased.

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Part D

A catalyst is added.

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Problem 13.87

Consider the endothermic reaction Fe3+(aq)+Cl?(aq)?FeCl2+(aq). Use Le Chatelier's principle to predict how the equilibrium concentration of the complex ion FeCl2+ will change after the following changes.

Part A

Fe(NO3)3 is added.

is added. The [FeCl2+] will increase. The [FeCl2+] will decrease. The [FeCl2+] will remain the same.

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Part B

Cl? is precipitated as AgCl by addition of AgNO3.

is precipitated as  by addition of . The [FeCl2+] will increase. The [FeCl2+] will decrease. The [FeCl2+] will remain the same.

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Part C

The temperature is increased.

The temperature is increased. The [FeCl2+] will increase. The [FeCl2+] will decrease. The [FeCl2+] will remain the same.

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Part D

A catalyst is added.

A catalyst is added. The [FeCl2+] will increase. The [FeCl2+] will decrease. The [FeCl2+] will remain the same.

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Explanation / Answer

PartA

The [FeCl2+] will increase.

PartB
The [FeCl2+] will decrease.

PartC
The [FeCl2+] will increase.

PartD
The [FeCl2+] will remain the same

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