Post-lab 9 Bleach Analysis-problems

Post-lab 9 Bleach Analysis-problems - markowitz(am45362 –...

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Unformatted text preview: markowitz (am45362) – Post-lab 9 Bleach Analysis – lyon – (51900) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points For the forward redox reaction Cl 2 (g) + 2 I- (aq) → I 2 (aq) + 2 Cl- ( ℓ ) to produce iodine from seawater, identify the substance oxidized by the change in oxidation numbers. 1. I- (aq) 2. None of these 3. Cl- ( ℓ ) 4. Cl 2 (g) 5. I 2 (aq) 002 (part 1 of 3) 10.0 points For Part 1, assume that the SCN has an oxi- dation number equal to its ionic charge of -1 in the iron(II) thiocyanate compound. Determine the oxidation state of the metal in Fe(SCN) 2+ . 1. Fe = +4 2. Fe = +5 3. Fe = +3 4. Fe = +1 5. Fe = +2 003 (part 2 of 3) 10.0 points Determine the oxidation state of the metal in MnO- 4 . 1. Mn = +2 2. Mn = +4 3. Mn = +3 4. Mn = +7 5. Mn = +5 004 (part 3 of 3) 10.0 points Determine the oxidation state of the metal in CoCl 2 ....
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This note was uploaded on 09/19/2011 for the course CH 204 taught by Professor Leytner during the Spring '08 term at University of Texas.

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Post-lab 9 Bleach Analysis-problems - markowitz(am45362 –...

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