Quiz 6-solutions - Version 319 Quiz 6 Laude (52390) This...

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Version 319 – Quiz 6 – Laude – (52390) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 5.0 points The Wizard oF Oz Featured the Famous Emer- ald City made From what metal oxide? 1. iron oxide 2. calcium oxide 3. beryllium oxide correct 4. magnesiuum oxide Explanation: Emeralds are a variety oF the mineral beryl (Be 3 Al 2 (SiO 3 ) 6 ) colored green by trace amounts oF chromium and sometimes vana- dium. 002 5.0 points Which oF the Following are possible oxida- tion numbers oF nitrogen in its known com- pounds? 1. -3, -2, -1, 0, +1, +2, +3, +4, +5 correct 2. -3, 0, +5 3. -3, +1, +2, +3, +4, +5 4. -3, -2, -1, +1, +2, +3, +4, +5 Explanation: Nitrogen can have a Full rang oF oxidation numbers. Examples: NH 3 (-3), N 2 H 4 (-2), N 2 H 2 (-1), N 2 (0), N 2 O (+1), NO (+2), N 2 O 3 (+3), NO 2 (+4), N 2 O 5 (+5) 003 5.0 points When sulFur is produced by the Claus process, the starting material is
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This note was uploaded on 05/04/2009 for the course CH 52390 taught by Professor Laude during the Spring '09 term at The School of the Art Institute of Chicago.

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Quiz 6-solutions - Version 319 Quiz 6 Laude (52390) This...

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