Experiment 5 Pre-Lab Exercise

Experiment 5 Pre-Lab Exercise - Observation OCl – Reagent...

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Chem 120, Autumn Quarter 2011 Page 1 of 2 Name : Quiz Section No. : EXPERIMENT 5 – ANALYSIS OF HOUSEHOLD CHEMICALS PRE-LAB EXERCISE 1. For each of the ions below, 1) determine which of the chemical reagent(s) you will use during the spot test to distinguish the ion, and 2) write the observation you expect to see when the ion is treated with the chemical reagent(s) that you selected. Part 1 reagents a) AgNO 3 b) AgCl c) NaOH d) BaSO 4 e) HCl f) NaOH + 4-(4-nitrophenyl)azoresorcinol g) BaCO 3 h) KI i) MgSO 4 ·7H 2 O j) BaCl 2 k) H 2 SO 4 + Ba(OH) 2 l) Mg(OH) 2 Cl Reagent: ______ Observation: __________________________________ NH 4 + Reagent: ______ Observation: __________________________________ Mg 2+ Reagent: ______ Observation: __________________________________ SO 4 2– Reagent: ______ Observation: __________________________________ HCO 3 Reagent: ______
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Unformatted text preview: Observation: __________________________________ OCl – Reagent: ______ Observation: __________________________________ Chem 120, Autumn Quarter 2011 Page 2 of 2 Name : Quiz Section No. : 2. For each one of the following household chemicals, provide the formula of its salt along with the correct symbol of its cation and anion. Product Salt Cation Anion Baking soda Bleach Epsom salt Fertilizer Table salt 3. For each of the following pairs of compounds, determine which single test could be used to distinguish one compound from the other, and provide the observation of the test you chose. NaCl and MgSO 4 Test: _____________________________ Observation: CaSO 4 and cornstarch Test: _____________________________ Observation: Na 2 CO 3 and sucrose Test: _____________________________ Observation:...
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Experiment 5 Pre-Lab Exercise - Observation OCl – Reagent...

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