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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.
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Topics: Coordination Compounds
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When a standard solution of NaOH is left in air for a few hours
- If 1,3-dibromopropane reacts with Zinc and Nal ,the product obtained is
- The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
- The colour of p-aminoazobenzene is
- Wood charcoal is used to decolourise sugar because it
Topics: Coordination Compounds (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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