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An aqueous solution of gas (X) shows the...

An aqueous solution of gas (X) shows the following reactions. (i) It turns red litmus blue.
(ii) When added in excess to a copper sulphate solution, a deep blue colour is obtained.
(iii) On addition of `FeCl_(3)` solution, a brown precipitate , soluble in dilute `HNO_(3)` is obtained.
Identify (X) and give equations for the reactions at step (ii) and (iii).

Text Solution

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`X - NH_(3)`
`CuSO_(4)+4NH_(4)OH rarr underset("deep blue")(Cu(NH_(3))_(4))SO_(4)+H_(2)O`
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MOTION-Salt Analysis-Exercise - 4 Level-II
  1. An aqueous solution of gas (X) shows the following reactions. (i) It t...

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  2. Fe^(3+)overset(SCN^(-) ("excess"))rarr "Blood red (A)" overset(F^(-)("...

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  3. Find A,B,C and D. Also write equations A to B and A to C.

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  4. underset(("White fumes having smell"))(B)overset("Moist air")(larr)und...

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  5. A metal nitrate reacts with KI to give a black precipitate which on ad...

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  6. A solution when diluted with H(2)O and boiled, it gives a white precip...

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  7. CuSO(4) decolourises on addition of KCN, the product is

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  8. Consider a titration of potassium dichromate solution with acidified M...

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  9. The species present in solution when CO(2) is dissolved in water

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  10. A solution of colourless salt H on boiling with axcess NaOH produces a...

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  11. When a metal rod M is dipped into an aqueous colourless concentrated s...

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  12. When a metal rod M is dipped into an aqueous colourless concentrated s...

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  13. When a metal rod M is dipped into an aqueous colourless concentrated s...

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  14. Passing H(2)S gas into a mixture of Mn^(2+), Ni^(2+), Cu^(2+) and Hg^(...

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  15. For the given aqueous reaction, which of the statement(s) is (are) tru...

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  16. An aqueous solution of a mixture of two inorganic saits, when treated ...

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  17. An aqueous solution of a mixture of two inorganic saits, when treated ...

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  18. Among PbS, CuS, MnS, Ag(2)S, NiS, CoS, Bi(2)S(3) and SnS(2) the total ...

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  19. The pair(s) of ions where BOTH the ions are precipitted upon passing H...

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  20. The reagment (s) that can selectively precipitate S^(2-) from a mixtu...

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  21. In the following reaction sequence in aqueous solution, the species X,...

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