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Sodium nitroprusside produces violet col...

Sodium nitroprusside produces violet colouration when reacted with `Na_(2)S` due to:

A

oxidation of `Fe^(2+)` to `Fe^(3+)`

B

reduction of `Fe^(2+)` to `Fe^(1+)`

C

formation of soluble complex without change in oxidation state of iron

D

precipitation of iron sulphide from sodium nitroprusside

Text Solution

Verified by Experts

The correct Answer is:
C
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GRB PUBLICATION-SALT ANALYSIS-L: Miscellaneous
  1. Which of the following compound is insoluble in water?

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  2. Which no mixing gives deep brown colour :

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  3. Sodium nitroprusside produces violet colouration when reacted with Na(...

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  4. Which of the following group reagent is preferred to give vinegar-like...

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  5. Anion that cannot decolourise acidic solution of KMnO(4):

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  6. Aq. Solution of 'A' overset(Na(2)S(2)O(3))underset("solution")rarr Whi...

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  7. Which of the following reagent is used with KI solution to give pure H...

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  8. When 'A' salt solution is added carefully to a saturated solution of F...

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  9. An inorganic salt solution 'M' gives white precipitate with Pb(OAc)(2)...

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  10. The mixture of salts NaCI,NaBr, NaI on adding conc. H(2)SO(4) and foll...

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  11. Compound 'A' and 'C' may be:

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  12. Aq. Solution of 'A' overset(Na(2)S(2)O(3))underset("solution")rarr vio...

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  13. Brown fumes gas Salt 'A' and gas 'B' are:

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  14. Brown fumes of 'X' + Blue coloured solution of 'Y' Here 'Y' is:

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  15. Concentrated solution of which salt gives white precipitate with ferri...

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  16. Choose the correct statements from the following:

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  17. Which of the following compound is not soluble in conc. (50%) HNO(3)?

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  18. Silver is not produced when:

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  19. Which of the following compound gives a black precipitate with ammonia...

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  20. Which of the following cations give black precipitate with H(2)S gas a...

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