Learning objective
Describe reactions of aqueous metal ions with ammonia.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Reactions of ions in aqueous solution (A-level only)
Subtopic
Aqueous ion tests (A-level only)
Study support
Understand this objective
Quick explanation
Describe reactions of aqueous metal ions with ammonia
- This point belongs to Reactions of ions in aqueous solution (A-level only), especially Aqueous ion tests (A-level only).
- You need to be able to describe reactions of aqueous metal ions with ammonia.
- The key ideas to know are ammonia.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Aqueous ion tests (A-level only) to exam-style questions, flashcards, and revision notes for Reactions of ions in aqueous solution (A-level only).
Quick student answer
What is the product formed when copper(II) ions react with ammonia in excess?
Direct answer
Cu(NH3)4^2+
Key terms
- Tetraamminecopper(II): A complex ion formed from copper(II) ions and ammonia, represented as Cu(NH3)4^2+.
- Hexammine nickel(II): A complex ion formed from nickel(II) ions and ammonia, represented as [Ni(NH3)6]^2+.
Common trap
Confusing precipitate colors: Remember that iron(III) hydroxide is reddish-brown, while copper(II) hydroxide is blue.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe reactions of aqueous metal ions with sodium hydroxide.
Aqueous ion tests (A-level only)
- Identify carbonate, sulfate and halide ions using appropriate tests.
Aqueous ion tests (A-level only)
- Link observations to conclusions in qualitative analysis.
Aqueous ion tests (A-level only)
- Required practical: carry out test-tube reactions to identify cations and anions.
Aqueous ion tests (A-level only)