8.9.2 - Detection of Other Elements
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Practice Questions
Test your understanding with targeted questions
What color indicates the presence of nitrogen in Lassaigne's test?
💡 Hint: Remember the phrase 'Blue means nitrogen, that's the clue!'
What is formed when sulfur is tested with lead acetate?
💡 Hint: Think of 'black' and 'sulfide'.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Lassaigne's test specifically allow us to detect?
💡 Hint: Think of the variety of elements it checks for!
True or False? A white precipitate with silver nitrate indicates the presence of iodine.
💡 Hint: Recall the specific colors for each halogen!
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Challenge Problems
Push your limits with advanced challenges
Describe a scenario where an organic compound is tested for nitrogen, sulfur, and phosphorus using Lassaigne's test and discuss the expected results if all elements are present.
💡 Hint: Think about each element's unique color and what combination you would see.
What could happen if contamination occurred during the Lassaigne's test? Analyze the potential outcomes.
💡 Hint: Consider how unexpected colors or precipitates would confuse the test!
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