Practice Common Reagents In Analytical Chemistry (4.4)

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6 sample questions

Question 1.
What is ammonium hydroxide used for in analytical chemistry?
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Think about how metal ions react with solutions.
Question 2.
What precipitate forms when sodium hydroxide reacts with zinc ions?
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Look for the color and solubility.
3Question 3.
What ion does ammonium hydroxide help to identify?
- Copper
- Sodium
- Chlorine
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Recall the color change associated with copper.
4Question 4.
Does sodium hydroxide always form a precipitate with any metal ion?
- True
- False
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Consider examples of both outcomes.
Question 5.
Design an experiment to identify unknown metal ions in a solution using both ammonium hydroxide and sodium hydroxide. What steps would you take, and what observations would indicate the presence of specific ions?
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Think about specific reactions and observations that signify presence.
Question 6.
Given a solution that you know contains aluminum ions, predict the outcome of adding sodium hydroxide and justify your answer.
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Consider the known reactions with sodium hydroxide.

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