chem - chao (ehc387) 5: Complexes and Organic lyssy...

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Unformatted text preview: chao (ehc387) 5: Complexes and Organic lyssy (112476) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Consider the coordination compound [Ni(CN) 5 ] 3- . In this compound, what is the oxidation number of the Ni? 1. 2.- 2 3.- 3 4. +1 5. +2 correct Explanation: 002 10.0 points What is the coordination number of man- ganese in [Mn(NH 3 ) 2 (H 2 O) 3 OH]SO 4 ? 1. 2 2. 5 3. 8 4. 6 correct 5. 4 Explanation: 003 10.0 points What would NOT normally be expected to form coordination compounds with transition metal ions? 1. methane correct 2. hydroxyl ion 3. ammonia 4. carbon monoxide 5. water Explanation: 004 10.0 points The correct name for Na 2 [Co(H 2 O) 2 (OH) 4 ] is 1. sodium cobalt(II) hydroxide dihydrate. 2. sodium diaquatetrahydroxocobaltate (III). 3. disodium diaquatetrahydroxocobaltate. 4. dos sodium dosaquaquatrohydroxoco- balto (tres). 5. sodium cobalt(III) hydroxide dihydrate. 6. sodium cobalt hydroxide dihydrate. 7. sodium diaquatetrahydroxocobaltate(II). correct Explanation: 005 10.0 points What is the oxidation number of manganese in [Mn(NH 3 ) 2 (H 2 O) 3 OH]SO 4 ? 1. +1 2. +2 3. +7 4. +3 correct 5. +5 Explanation: 006 10.0 points What is the oxidation state of chromium in [Cr(NH 3 ) 5 Br]SO 4 ?...
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This note was uploaded on 01/09/2011 for the course EHC 387 taught by Professor Sir during the Spring '10 term at Central Texas College.

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chem - chao (ehc387) 5: Complexes and Organic lyssy...

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