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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is:
- a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali
- b)copper hydroxide is amphoteric
- c)in acidic solution hydration protects Cu2+ ions
- d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.
Correct answer is option 'D'. Can you explain this answer?
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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline so...
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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline so...
Explanation:
Protons Coordinate with Ammonia Molecules in Acidic Solution:
In an acidic solution, protons (H+) coordinate with ammonia molecules (NH3) forming NH4+ ions. This results in a decrease in the availability of free NH3 molecules to form the complex with copper ions.
Complex Formation in Alkaline Solution:
In an alkaline solution, the presence of hydroxide ions (OH-) leads to the formation of copper hydroxide (Cu(OH)2) which is insoluble. However, in excess alkali, Cu(OH)2 dissolves to form [Cu(OH)4]2- ions. The ammonia molecules are free to coordinate with copper ions to form the complex [Cu(NH3)4]2+.
Therefore, in an acidic solution, the coordination of protons with ammonia molecules reduces the availability of NH3 for complex formation with copper ions. This is why the complex [Cu(NH3)4]2+ is formed in alkaline solution but not in an acidic solution.
Protons Coordinate with Ammonia Molecules in Acidic Solution:
In an acidic solution, protons (H+) coordinate with ammonia molecules (NH3) forming NH4+ ions. This results in a decrease in the availability of free NH3 molecules to form the complex with copper ions.
Complex Formation in Alkaline Solution:
In an alkaline solution, the presence of hydroxide ions (OH-) leads to the formation of copper hydroxide (Cu(OH)2) which is insoluble. However, in excess alkali, Cu(OH)2 dissolves to form [Cu(OH)4]2- ions. The ammonia molecules are free to coordinate with copper ions to form the complex [Cu(NH3)4]2+.
Therefore, in an acidic solution, the coordination of protons with ammonia molecules reduces the availability of NH3 for complex formation with copper ions. This is why the complex [Cu(NH3)4]2+ is formed in alkaline solution but not in an acidic solution.
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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer?
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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer?.
Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer?.
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Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Ammonia forms the complex [Cu(NH3)4]2+ with copper ions on alkaline solution but not in acid solution. The reason for it is: a)in alkaline solution Cu(OH)2 is precipitated which is soluble in excess of alkali b)copper hydroxide is amphoteric c)in acidic solution hydration protects Cu2+ ions d)in acidic solution protons coordinates with ammonia molecule forming ions and NH3 molecules are not available.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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