Mid-term Exam I 2004

Mid-term Exam I 2004 - Chemistry 1C Mid-Term Exam I 1 Which...

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Chemistry 1C Mid-Term Exam I October 20, 2004
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2 1. Which of the following molecules contains a carbon atom that is sp hybridized? a) C 2 H 4 b) CO 2 c) H 2 CO d) C 2 H 6 e) none of the above 2. The hybridization of the central atom in XeCl 3 + is: a) sp b) sp 2 c) sp 3 d) dsp 3 e) d 2 sp 3 3. Which of the following has the central atom that is dsp 3 hybridized? a) SF 4 - b) SCl 4 c) CCl 4 d) SF 6 e) none of the above 4. Which of the following has two p bonds? a) C 2 H 6 b) C 2 H 4 c) C 2 H 2 d) At least two of the above e) None of the above 5-8.Consider the molecule (lone pairs are not drawn in) and the following hybridization choices: a) sp b) sp 2 c) sp 3 d) dsp 3 e) d 2 sp 3 O H H ׀׀ ׀ ׀ H O C C N H ׀ Cl
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3 5. What is the hybridization of the carbon atom that is bonded to oxygen? 6. What is the hybridization of the carbon atom that is bonded to chlorine? 7. What is the hybridization of the nitrogen atom? 8. What is the hybridization of the oxygen atom bonded to hydrogen? 9. Which of the following species has the largest bond dissociation energy? a) O 2 b) O 2 c) O 2 2– d) O 2 + e) O 2 2+ 10. Which of the following is paramagnetic? a) C 2 b) H 2 c) O 2 d) N 2 e) At least two of the above are paramagnetic. 11. Which of the following statements is correct? a) A triple bond is composed of two σ bonds and one π bond. b) σ bonds result from the head-to-head overlap of atomic orbitals. c) Free rotation may occur about a double bond.
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This note was uploaded on 03/20/2010 for the course CHEM 1C taught by Professor Hooker during the Spring '06 term at UCSB.

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Mid-term Exam I 2004 - Chemistry 1C Mid-Term Exam I 1 Which...

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