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The dark blue colour of the solution formed when excess of ammonia is added to a solution of copper (II) sulphate is due to the presence of the ion
Options
(a) [Cu(OH)₄(H₂O)₂]²⁻
(b) [Cu(H₂O)₆]²⁺
(c) [Cu(NH₄)₂(H₂O)₄]⁴⁺
(d) [Cu(NH₃)₄(H₂O₂)]²⁺
Correct Answer:
[Cu(NH₃)₄(H₂O₂)]²⁺
Explanation:
when excess of ammonia is added to a solution of copper (II) sulphate, then the complex compound, [Cu(NH₃)₄(H₂O₂)]SO₄ is formed which causes the formation of deep blue colour.
Related Questions: - Phenol on reaction with bromine water would give
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
- The oxidation state of Fe in brown ring complex [Fe(H₂O)₅NO]SO₄ is
- First law of thermodynamics is represented by the equation
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Topics: Coordination Compounds
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Phenol on reaction with bromine water would give
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
- The oxidation state of Fe in brown ring complex [Fe(H₂O)₅NO]SO₄ is
- First law of thermodynamics is represented by the equation
- The magnetic moment of Sc³⁺ is
Topics: Coordination Compounds (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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