C467_coordination_chm_homework

C467_coordination_chm_homework - SPRING 2008 CHM 467 01...

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SPRING 2008 CHM 467 01 ADVANCED INORGANIC CHEMISTRY (CHM467011S08) > CONTROL PANEL > PREVIEW ASSESSMENT: C467_COORDINATION_CHM Preview Assessment: C467_coordination_chm Name C467_coordination_chm Instructions Multiple Attempts This Test allows 3 attempts. This is attempt number 2. Force Completion This Test can be saved and resumed later. Question Completion Status: Question 1 10 points Save The coordination numbers of cobalt(III) and of chromium(III) in their complexes are always _________. 3 2 5 6 4 Question 2 10 points Save The coordination number of platinum in complexes is always _________. 5 4 2 3 6 Question 3 10 points Save What is the most common geometry found in four-coordinate complexes? octahedral square planar trigonal bipyramidal icosahedral tetrahedral Question 4 10 points Save During the formation of a coordination compound, the metal acts as a __________. Lewis acid Arrhenius acid
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Arrhenius acid Br nsted acid Lewis base Br nsted base Question 5 10 points Save What are the respective central-metal oxidation state, coordination number, and overall charge on the complex ion in Na 2 [Cr(NH 3 ) 2 (NCS) 4 ]? +3; 6; -1 +2; 4; -1 +3; 6; +1 +1; 6; -2 +2; 6; -2 Question 6 10 points Save Which one of the following species is paramagnetic? Zn Ca Ag + Cu + Cr 3+ Question 7 10 points Save How many d electrons are in the cobalt ion of K 3 [Co(CN) 6 ]? 4 3 6 7 5 Question 8 10 points Save What is the charge on the complex ion in Mg 2 [FeCl 6 ]? 2+ 2- 3- 3+ 4-
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Question 9 10 points Save What is the oxidation number of chromium in [Cr(NH 3 ) 4 Cl 2 ]Cl? 0 +3 +2 -2 -3 Question 10 10 points Save The coordination number for [Zn(H 2 O) 3 Cl]Cl is __________. 6 5 1 2 4 Question 11 10 points Save Based on entropy considerations alone, which homogeneous aqueous equilibrium would be expected to lie to the right? CoCl 4 2+ + 6H 2 O Co(H 2 O) 6 2+ + 4Cl - Ni(H 2 NC 2 H 4 NH 2 ) 3 2+ + 6NH 3 Ni(NH 3 ) 6 2+ + 3H 2 NC 2 H 4 NH 2 AgI 2 - + 2Br - AgBr 2 - + 2I - Cu(NH 3 ) 4 2+ + 6H 2 O Cu( H 2 O) 6 2+ + 4NH 3 Fe(NH 3 ) 6 2+ + C 20 H 10 N 4 2- Fe(NH 3 ) 2 (C 20 H 10 N 4
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This note was uploaded on 04/02/2009 for the course CHM 467 taught by Professor Loeffler during the Spring '09 term at Sam Houston State University.

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C467_coordination_chm_homework - SPRING 2008 CHM 467 01...

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