1 / 25

Introduction to Lab #18…..

Dive into the intriguing world of chemical mysteries with the Ten Test Tube Mystery. Explore ten numbered T-Tubes, each containing different substances, and decipher the clues using only your sight and smell. No external reagents or testing materials are provided, challenging you to rely on your basic chemistry knowledge. Can you identify the substances based on the reactions observed? Prepare to unravel the mystery by conducting tests and recording your observations meticulously.

ksexton
Download Presentation

Introduction to Lab #18…..

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Without mysteries, life would be very dull indeed. Introduction to Lab #18….. The Ten Test Tube Mystery

  2. Ten Numbered T-Tubes • Each with a single substance • Given a part of today and tomorrow to prepare • No external reagents, testing materials. • Smell and sight can be used

  3. All sets contain hydrochloric and sulfuric acid as well as ammonia and sodium hydroxide • All others are nitrates, chlorides or sulfates some held in an acid environment

  4. Preliminary Work • Use your text, Appendix II, or the on-line resources wikipedia or webelements. • NR, no reaction • P, precipitate (followed by D if it dissolves) • State colors if appropriate • H, heat evolved • G or S for gas or smoke formed

  5. 0.1 M Al(NO3)3 • 0.1 M BaCl2 • 0.1 M NiSO4 • 0.1 M BiCl3 (in 3 M HCl) • 6 M NaOH • 3 M H2SO4

  6. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 ? Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4

  7. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 ? NR ? Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4

  8. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 ? ? NR NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4

  9. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 ? ? NR NR NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4

  10. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 NR NR NR P,D NR ? Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 ?

  11. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 NR NR NR P,D NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 P ? NR ? ? (white)

  12. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 NR NR NR P,D NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 sl P P P NR ? ? (white) (white) (white)

  13. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 NR NR NR P,D NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 sl P P P NR (white) (white) (white) P NR NR Test Tube #4 (green) (green) P,H NR (white) H

  14. 4+1 no reaction 4+2 no reaction 4+3 green PPT 4+5 no reaction 4+6 white PPT Mixing Tests – First Series

  15. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 NR NR NR P,D NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 sl P P P NR Test Tube #6 (white) (white) (white) NR P NR Test Tube #4 (green) (green) P,H NR (white) H Test Tube #3 4+3 green PPT 4+6 white PPT

  16. 3+1 sol’n becomes hot 3+2 white PPT, sol’n becomes hot 3+5 no rection Mixing Tests – Second Series

  17. Al(NO3)3 BaCl2 NiSO4 NaOH H2SO4 BiCl3 Test Tube #5 NR NR NR P,D NR Al(NO3)3 BaCl2 NiSO4 BiCl3 NaOH H2SO4 P P sl P NR Test Tube #6 (white) (white) (white) P NR NR Test Tube #4 (green) (green) P,H NR Test Tube #2 (white) H Test Tube #3 Test Tube #1 3+1 sol’n becomes hot 3+2 white PPT, sol’n becomes hot

More Related