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प्रश्न
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is ______.
विकल्प
Fe(OH)2
Cu(OH)2
Ca(OH)2
Fe(OH)3
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उत्तर
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is Cu(OH)2.
Explanation:
The pale blue Cu(OH)2 precipitate dissolves in excess of ammonium hydroxide derived from tetraamine copper sulphate.
\[\ce{Cu(OH)2 + (NH4)2SO4 + 2NH4OH -> [Cu(NH3)4]SO4 + 4H2O}\]
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the following:
When the excess of ammonia is treated with chlorine.
Name the following
Gas obtained by treating chlorine in excess of ammonia.
Name the following
Substance used to dry ammonia
Name the following
Ammonium salt used in explosive.
Certain blank spaces are left in the following table and these are labelled as A,B,C,Da and E. Identify each of then
|
1 |
HCl gas |
NaCl + H2SO4 |
A = ________ |
Conc.H2SO4 |
B = ___ |
|
2 |
NH3 gas |
C = ____ |
Mg(OH)2NH3 |
D = ______ |
E = ___ |
Give balanced reactions for the following conversion:
Ammonia solution to an amphoteric hydroxide.
Give balanced equation to prove that ammonia Is alkaline in nature
Differentiate between:
Reaction of excess ammonia with chlorine and NH3 with excess chlorine
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CuSO4
Write a balanced equation for the following conversion:
Nitrogen trichloride from ammonia.
