In a test tube with 0.3 mL of N-methylaniline, 5 mL of 10% NaOH, 0.4 mL of benzene sulfonyl chloride. Add a few drops of 4M KOH to make sure it is alkaline and use a litmus paper. Let it stand for 10 minutes. Pour 6M HCl dropwise until it acidify. Explain what happens to the mixture before and after adding HCl. If a precipitate is formed, collect it by filtration or decantation. Test for solubility of the precipitate in 3 mL of 2.5M NaOH. Heat to 50 OC. Shake the tube well for 3 minutes. Explain what happens to the mixture after adding NAOH. Before adding HCl After adding HCl After adding NaOH
In a test tube with 0.3 mL of N-methylaniline, 5 mL of 10% NaOH, 0.4 mL of benzene sulfonyl chloride. Add a few drops of 4M KOH to make sure it is alkaline and use a litmus paper. Let it stand for 10 minutes. Pour 6M HCl dropwise until it acidify. Explain what happens to the mixture before and after adding HCl. If a precipitate is formed, collect it by filtration or decantation. Test for solubility of the precipitate in 3 mL of 2.5M NaOH. Heat to 50 OC. Shake the tube well for 3 minutes. Explain what happens to the mixture after adding NAOH. Before adding HCl After adding HCl After adding NaOH
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.9: Spectrophotometry
Problem 3.1ACP
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In a test tube with 0.3 mL of N-methylaniline, 5 mL of 10% NaOH, 0.4 mL of benzene sulfonyl chloride.
Add a few drops of 4M KOH to make sure it is alkaline and use a litmus paper. Let it stand for 10 minutes.
Pour 6M HCl dropwise until it acidify.
Explain what happens to the mixture before and after adding HCl.
If a precipitate is formed, collect it by filtration or decantation. Test for solubility of the precipitate in 3 mL of 2.5M NaOH. Heat to 50 OC. Shake the tube well for 3 minutes.
Explain what happens to the mixture after adding NAOH.
Before adding HCl | After adding HCl | After adding NaOH |
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