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प्रश्न
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is ______.
पर्याय
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.
\[\ce{Cu(OH)2 + (NH4)2SO4 + 2NH4OH -> [Cu(NH3)4]SO4 + 4H2O}\]
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संबंधित प्रश्न
The acid which is prepared by catalytic oxidation of ammonia.
Give balanced chemical equations for Reaction of ammonia with excess chlorine.
Name the following
Indicator that turns deep pink when treated with NH4OH.
State one possible source of each reactant used in the process.
Give balanced chemical equations for of the following :
Reaction of ammonia with excess chlorine.
Give balanced reactions for the following conversion:
Ammonia to ammonium sulphate.
Choose the correct answer from the options given below :
Ammonia reacts with excess chlorine to form
Write a balanced chemical equation for the lab preparation of ammonia.
