key4 - Chemistry 211 Fall 2010 Test 4 Name: _ Please Print...

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H O C H :O: .. .. Chemistry 211 Name: __________________________ Fall 2010 Please Print Test 4 Multiple Choice: (4 points each. Put answers in left margin as capital letters .) 1. A particular solution of iron(III) chloride must have [Cl - ] = 0.366 M. How much iron(III) chloride must be dissolved in 125 mL of water to achieve this concentration of chloride ion? A) 1.47 g B) 1.58 g C) 1.86 g D) 2.48 g E) 4.34 g 2. For electrons at the same n value, which orbital type has the smallest effective nuclear charge? A) s B) p C) d D) f 3. Which of the following is false? A) In a nonpolar covalent bond the electrons are shared relatively equally. B) In general, covalent and ionic bonds are about equally strong. C) Ionic bonding in a crystal is multidirectional. D) Resonance forms of a molecule represent the rapid interconversion of structures. E) Formal charges can result from one atom donating both electrons of a bond. 4. What is the formal charge on carbon in CO? A) -2 B) -1 C) 0 D) +1 E) +2 5. Place the bonds: C-S B-F N-O in order of decreasing bond polarity. A) C-S
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This note was uploaded on 02/12/2012 for the course CHM 211 taught by Professor Staff during the Fall '08 term at Marshall.

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key4 - Chemistry 211 Fall 2010 Test 4 Name: _ Please Print...

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