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Iron Ion

When Fe 2+ ...

Question

When ${F e}^{2 +}$ reacts with Potassium Thiocynate the colour of the precipitate is :

Blue

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Green

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Violet

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Blood Red

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Solution

The correct option is D Blood Red

[Fe(H₂O)₆]³⁺_(aq) + SCN^–_(aq) ==> [Fe(H₂O)₅SCN]²⁺_(aq) + H₂O_(l)
_{(Blood red colour)}

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