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An aqueous solution FeSO4 . Al2 (SO4)3 a...

An aqueous solution `FeSO_4 . Al_2 (SO_4)_3` and chrome alumn is heated with excess of `Na_2 O_2` and filtered. The materials obtained are

A

A coloureless filtrate and a green residue

B

A yellow filtrate and a green residue

C

A yellow filtrate and a brown residue

D

a green filtrate and a brown residue.

Text Solution

Verified by Experts

Yellow filtrate contains `CrO_(4)^(2-)` ion and green ppt. is of `Fe(OH)_(2)`
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DINESH PUBLICATION-PRINCIPLES RELATED TO PRACTICAL CHEMISTRY-RQ
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  2. Which compound does not dissolve in hot dil. HNO3?

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  3. An aqueous solution FeSO4 . Al2 (SO4)3 and chrome alumn is heated with...

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  4. A salt on treatment with dil. HCl gives a pungent smelling gas and a y...

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  5. Which of the following compound on reaction with NaOH and Na2 O2 gives...

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  6. Which of the following cannot give iodometric titration?

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  7. CrO3 dissolves in aqueous NaOH to give

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  9. When HNO(3) is dropped into the palm and washed with water, it turns y...

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  10. Which one of the following is not efflorescent

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  11. K(2)[HgI(4)] detects ion/group

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  12. Which of the following does not react with AgCl ?

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  13. Which one of the following does not produce metallic sulphide with H(2...

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  14. By passing H(2)S gas in acidified KMnO(4), we get

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  15. Which metal salt gives a violet coloured bead in the borax bead test ?

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  16. Which of the following gives a precipitate with Pb(NO(3))(2) but not w...

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  17. Whci of the following is soluble in yellow ammonium sulphide ?

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  18. Which of the following statement is correct?

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  19. A chloride dissolves appreciably in cold water. When placed on platinu...

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