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The formula of Prussian Blue is 

  • Option 1)

    [Fe(CN)]^{4-}

  • Option 2)

    Fe_4[Fe(CN)_6)]_3

  • Option 3)

    [Fe(CN)_6)]^{3-}

  • Option 4)

    None of these

 

Answers (2)

best_answer

As learnt in

Test for Sulphur -

The sodium fusion extract is acidified with acetic acid and bad acetate is added to sodium fusion.

- wherein

A block ppt of pbs confirm the sulphur.

 

 the formula of Prussian blue is 

Fe_{4}[Fe(CN)_{6}]_{3} Ferric ferrocyanide

 


Option 1)

[Fe(CN)]^{4-}

Incorrect option

Option 2)

Fe_4[Fe(CN)_6)]_3

correct option

Option 3)

[Fe(CN)_6)]^{3-}

Incorrect option

Option 4)

None of these

Incorrect option

Posted by

divya.saini

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2

Posted by

Vijay Kumar

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