Predict the effect of decreasing concentration of Fe 3+ ions on the following equilibrium.
Fe 3+ (aq) + SCN ̶ (aq) ⇌ FeSCN 2+ (aq)
Pale yellow colourless red

Question

Predict the effect of decreasing concentration of  Fe 3+  ions on the following equilibrium. 
 Fe 3+ (aq)     +    SCN  ̶  (aq)  ⇌  FeSCN 2+ (aq) 
 Pale yellow     colourless        red

Answer

The colour of solution will become colourless.

Answer

No change in colour of solution.

Answer

The colour of solution will become paler.

Answer

The colour of solution will become more intense.

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Predict the effect of decreasing concentration of Fe 3+ ions on the following ...

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