Quiz 3 CHEM 102

Quiz 3 CHEM 102 - 2 (c) [Cr(NH 3 ) 5 SO 4 ]Br and [Cr(NH 3...

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NAME __________________ UIN __________________ CHEMISTRY 102 Spring 2007 Quiz #3 Dr. Ahmed A. Mohamed 1. Which ligand formula is incorrectly matched with its name as a ligand ? Ligand N a m e (a) SO 4 2– s u l f a t o (b) CO 3 2– carbonato (c) S 2 O 3 2– s u l f a t o (d) F fluoro (e) O 2– oxo 2. Below is a list of formulas for complex compounds and ions; each is matched with its name. One formula – name combination contains an error. Which one? Formula N a m e (a) [Co(NH 3 ) 4 (OH 2 )(I)]SO 4 tetraammineaquaiodocobalt(III) sulfate (b) K[Cr(NH 3 ) 2 Cl 4 ] potassium diamminetetrachlorochromate(III) (c) [Mn(CN) 5 ] 2– pentacyanomanganate(II) ion (d) [Ni(CO) 4 ] tetracarbonylnickel(0) (e) Ca[PtCl 4 ] calcium tetrachloroplatinate(II) 3. Which of the following pairs of complex compounds are not ionization isomers? (a) [Pt(NH 3 ) 4 Cl 2 ]Br 2 and [Pt(NH 3 ) 4 Br 2 ]I 2 (b) [Co(NH 3 ) 5 NO 2 ]SO 4 and [Co(NH 3 ) 5 SO 4 ]NO
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Unformatted text preview: 2 (c) [Cr(NH 3 ) 5 SO 4 ]Br and [Cr(NH 3 ) 5 Br]SO 4 (d) [Co(NH 3 ) 5 Br]SO 4 and [Co(NH 3 ) 5 SO 4 ]Br (e) [Pt(NH 3 ) 4 Br 2 ]Cl 2 and [Pt(NH 3 ) 4 Cl 2 ]Br 2 4. Two complex ions consisting of a Co 3+ ion, 5 NH 3 ligands, and a CN ligand can exist. For one of these complex ions, the C of the CN ligand acts as the donor atom; and for the other complex ion, the N of the CN ligand acts as the donor atom. What kind of isomers are these two complex ions? (a) geometric (b) optical (c) linkage (d) ionization (e) coordination 5. For which of the following are cis-trans isomers the only kind of isomers that can exist? (a) [Co(NH 3 ) 5 Br] 2+ (b) [Co(NH 3 ) 4 Cl 2 ] + (c) [Co(NH 3 ) 2 (OH 2 )Cl 2 ] + (d) [Co(en) 3 ] 3+ (e) [Co(NH 3 ) 6 ] 3+...
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