Ppt with Nh3 and NaOH

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7 Terms

1
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What precipitate forms when NaOH is added to Cu²⁺?

Light blue ppt

2
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What happens when excess NH₃ is added to Cu²⁺?

Forms deep blue solution

3
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What color precipitate forms with Fe²⁺ and NaOH?

Green ppt

4
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What color precipitate forms with Fe³⁺ and NaOH?

Reddish-brown ppt

5
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What is the observation when Zn²⁺ reacts with NaOH?

White ppt, soluble in excess

6
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What happens when Al³⁺ reacts with excess NaOH?

White ppt dissolves in excess

7
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What is the observation when Pb²⁺ reacts with excess NaOH?

White ppt dissolves in excess