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When K(4)[Fe(CN)(6)] is added to FeCl(3)...

When `K_(4)[Fe(CN)_(6)]` is added to `FeCl_(3)` , the complex compound formed is:

A

`Fe_(3)[Fe(CN_(6)]_(4)`

B

`Fe_(4)[Fe(CN)_(6)]_(3)`

C

`K_(2)[Fe(CN)_(6)]`

D

`K_(2)Fe_(3)[Fe(CN)_(6)]_(2)`

Text Solution

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The correct Answer is:
B
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In K_(4)Fe(CN)_(6)

In K_4Fe(CN)_6

In K_(4)[Fe(CN)_(6)],Fe is in the form of

In K_4[Fe(CN)_6]Fe is in the form of

FeCl_3 + K_4[Fe(CN)_6] to ?

K_(3)[Fe(CN)_(6)]+FeCl_(3) to Fe[Fe(CN)_(6)]

Two solution (A)containing Fecl_(3)(aq) and(B) semipermeable membrance as shown below.If FeCl_(3) on reaction with K_(4)[Fe(CN)_(6)] ,produces blue colour of Fe_(4)[Fe(CN)_(6)] , the clue colour will be noticed in : |((A),,(B)),(FeCl_(3),,K_(4)[Fe(CN)_(6)])|

RESONANCE-D BLOCK ELEMENTS-EXERCISE-I PART-II
  1. Which of the following statement is/are correct?

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  2. KmnO(4) is the oxo salt of :

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  3. When K(4)[Fe(CN)(6)] is added to FeCl(3) , the complex compound formed...

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  4. FeCl(3).6H(2)O is actually:

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  5. A compound is yellow when hot and white when cold. The compound is:

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  6. On heating ZnXl(2).2H(2)O, the compounds obtained is:

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  7. When copper is placed in the atmosphere for sufficient time, a green c...

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  8. The solubility of silver bromide in hypo solution (excess) is due to ...

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  9. In dilute alkaline solution,MnO(4)^(-) changes to:

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  10. Cl2 gas is obtained by various reactions select the reactions from the...

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  11. CuSO(4) solution + lime is called:

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  12. The developer used in photography is an alkaline solution of:

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  13. When acidified solution of K(2)Cr(2)O(7) is shaken with aqeous solutio...

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  14. FeCl(3) dissolves in:

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  15. Which of the following compounds is used as the startingn material for...

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  16. Cr)(3) dissolved in aqueous NaOH to give:

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  17. The final product obtained for the following reaction is: KMnO(4)("ex...

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  18. When AgNo(3)(aq) reacts with excess of iodine, we get:

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  19. ZnO+CoOundersetto(Delta)X,Product X colour is:

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  20. The compound that gets oxidised even on exposure to atmosphere is:

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