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Equilibrium Experiment Flashcards

(4 cards)

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1
Q

Iron (III) chloride + potassium thiocyanate

A

Red

Equilibrium lies on the right

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2
Q

Add hydrochloric acid

A

Red colour disappears

Equilibrium shifted to left to replace the Fe ions removed

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3
Q

Add potassium thiocyanate

A

Red complex reforms

Equilibrium shifted right

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4
Q

Equation

A

Fe3+ + CNS- = FeCNS2+

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