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Hardness of Water:Causes, Types and Treatments

Alkaline NH...

Question

Alkaline ${N H}_{4}^{+}$ salt gives brown ppt. with $K_{2} {H g I}_{4}$ ; brown ppt is called Iodide of Millon's base.

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Solution

Alkaline ${N H}_{4}^{+}$ salt gives brown ppt. with $K_{2} {H g I}_{4}$ ; brown ppt is called.Iodide of Millon's base.
$2 K_{2} H g I_{4} + 4 N a O H + N H_{4} C l \to H g_{2} N H_{2} O I b r o w n p r e c i p i t a t e + 7 N a I + K C l + 3 H_{2} O$

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Similar questions

Q. Alkaline solution of

{N H}_{4} C l

gives brown ppt. with

K_{2} {H g I}_{4}

If the given statement is true enter 1 else enter 0.

{H g C l}_{2}

gives orange ppt with

K I

, which dissolves in excess of it forming

K_{2} {H g I}_{4}

called Nessler's reagent.

If the given statement is true enter 1 else enter 0.

{H g}_{2} {C l}_{2}

is blackened by

{N H}_{3}

due to formation of iodide of Millon's base.

If the given statement is true enter 1 else enter 0.

{B a B r}_{2}

in aqueous solution gives yellow ppt with

K_{2} {C r O}_{4}

as well as with

{A g N O}_{3}

If the given statement is true enter 1 else 0.

Q. A light bluish green crystalline compound responds to the following tests:
(i) Its aqueous solution gives a brown precipitate or colouration with alkaline

K_{2} [{H g I}_{4}]

solution.
(ii) Its aqueous solution gives a blue colour with

K_{3} [{F e (C N)}_{6}]

solution.
(iii) Its solution in hydrochloric acid gives a white precipitate with

{B a C l}_{2}

solution. The molecular formula of the compound is

F e S O_{4} . (N H_{4})_{2} S O_{4} . 6 H_{2} O

If the given statement is true enter 1 else enter 0.

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