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Into iron pyrites in water, air was bubb...

Into iron pyrites in water, air was bubbled for a long time. Green crystal (A) and another substance (B) were produced. 'A' in solution was treated with conc. `HNO_(3)` and B. The solution was evaporated and crystallized, pale yellow crystals of 'C' was produced .
To the solution of A and C, `K_(3)[Fe(CN)_(6)]` and `K_(4)[Fe(CN)_(6)]` were added respectively.
The colors produced are

A

Red, Green

B

Blue, Blue

C

Red, Red

D

Green, Green

Text Solution

Verified by Experts

The correct Answer is:
B
A and C are `FeSO_(4)` and `Fe_(2)(SO_(4))_(3)`. Turnbulls and Prussian blue are produced.
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