Test Bank For Organic Chemistry 7th Edition By Brown
CHAPTER 1—COVALENT BONDING AND SHAPES OF MOLECULES
MULTIPLE CHOICE
- How many electrons can the shell with a principal quantum number of 1 hold?
| a. | 1 |
| b. | 2 |
| c. | 4 |
| d. | 8 |
ANS: B
- How many electrons can the shell with a principal quantum number of 2 hold?
| a. | 1 |
| b. | 2 |
| c. | 4 |
| d. | 8 |
ANS: D
- What is the ground-state electronic configuration of a nitrogen atom (nitrogen: atomic number 7)?
| a. | 1s22s12p4 |
| b. | 1s22s22p3 |
| c. | 1s12s12p5 |
| d. | 1s22s22p2 |
ANS: B
- What is the ground-state electronic configuration of a fluorine atom (fluorine: atomic number 9)?
| a. | 1s12s12p7 |
| b. | 1s22s22p5 |
| c. | 1s22s22p6 |
| d. | 1s02s22p7 |
ANS: B
- What is the ground-state electronic configuration of a fluoride anion (fluorine: atomic number 9)?
| a. | 1s22s22p2 |
| b. | 1s22s22p5 |
| c. | 1s22s22p6 |
| d. | 1s22s22p7 |
ANS: C
- What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)?
| a. | 1s22s22p63s1 |
| b. | 1s22s22p53s1 |
| c. | 1s22s22p6 |
| d. | 1s22s22p63s2 |
ANS: C
- Which of the following species has an atom that has an unfilled valence shell of electrons?
| a. | molecular hydrogen, H2 |
| b. | hydroxide anion, HO– |
| c. | boron trifluoride, BF3 |
| d. | water, H2O |
ANS: C
- Which of the following species has an atom that has an unfilled valence shell of electrons?
| a. | molecular bromine, Br2 |
| b. | fluoride anion, F– |
| c. | ammonia, NH3 |
| d. | aluminum trichloride, AlCl3 |
ANS: D
- Which of the following species possesses a formal charge?
| a. | BH3 |
| b. | BH4 |
| c. | CCl4 |
| d. | H2S |
ANS: B
- Which of the following species possesses a formal charge?
| a. | CCl4 |
| b. | SiCl4 |
| c. | AlCl4 |
| d. | PCl3 |
ANS: C
- Which of the following compounds is an aldehyde?
| a. | CH3CH2CH2COOH |
| b. | CH3CH2CHO |
| c. | CH3CH2CH2OH |
| d. | CH3CH2COCH3 |
ANS: B
- Which of the following compounds is an alcohol?
| a. | CH3CH2COOH |
| b. | CH3CH2OCH3 |
| c. | CH3CH2CH2OH |
| d. | CH3CH2CHO |
ANS: C
- Which of the following compounds is a carboxylic acid?
| a. | CH3CH2COOH |
| b. | CH3CH2OCH3 |
| c. | CH3CH2CH2OH |
| d. | CH3CH2CHO |
ANS: A
- Which of the following compounds is a ketone?
| a. | CH3CH2COOH |
| b. | CH3CH2CHO |
| c. | CH3CH2CH2OH |
| d. | CH3COCH3 |
ANS: D
- Which of the following compounds is a ketone?
| a. | CH3CH2COOH |
| b. | CH3CH2CHO |
| c. | CH3CH2CH2OH |
| d. | CH3COCH3 |
ANS: D
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