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Fe(OH)3 and Cr(OH)3 precipitates are sep...

`Fe(OH)_3` and `Cr(OH)_3` precipitates are separated by

A

`Ag.NH_3`

B

HCI

C

`NaOH//H_2O_2`

D

`H_2SO_4`

Text Solution

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The correct Answer is:
C
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FIITJEE-QUALITATIVE ANALYSIS -Assignment problemes(objective)(leve-I)
  1. Which is the correct order of K for Cus, ZnS and CdS?

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  2. Magneson reagent is used to detect

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  3. Fe(OH)3 and Cr(OH)3 precipitates are separated by

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  4. AgNO(3) gives red precipitate with

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  5. Which of the following pairs of lons cannot be separated by H2S in amm...

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  6. On adding conc. H2SO4to a salt, brown colouration was observed on the ...

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  7. What is the product obtained when MnSo, in solution is boiled with sod...

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  8. Which of the following would enable you to remove SO(4)^(2-) ions from...

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  9. Which one among the following pairs of ions cannot be separated by H2S...

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  10. Sr^(2+) can be precipitated by

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  11. When excess sodium thiosulphate is added to AgBr, the product formed i...

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  12. Nessler's reagent is

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  13. A black precipitate is obtained when H2S is passed through a dilute ac...

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  14. A solution of a salt in water, on addition of dilute HCI, gives a whit...

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  15. Which compound is formed when excess KCN is added to an aqueous soluti...

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  16. The colour of the solid produced by adding Sncia in excess to a soluti...

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  17. An aqueous solution of a sodium salt gave no precipitate when treated ...

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  18. Aqua regia is

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  19. Which equation of statements is/are correct?

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  20. Hypo is not used in

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