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| 1 | |
Which of the following pairs contains one polar bond and one non-polar bond? |
| | A) | C-C and O-O |
| | B) | C-O and C-C |
| | C) | O-C and N-H |
| | D) | F-F and C-Br |
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| 2 | |
Which of the following is true for any polar molecule? |
| | A) | It has identical polar bonds acting in opposite directions. |
| | B) | It has equal dipoles acting in opposite directions. |
| | C) | It contains at least one bond dipole that is not counteracted by another. |
| | D) | It contains no polar bonds. |
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| 3 | |
Which of the following compounds is polar? |
| | A) | CO2 |
| | B) | CCl4 |
| | C) | H2O |
| | D) | CH3CH2CH3 |
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| 4 | |
Which of the following statements is not true? |
| | A) | Molecules with functional groups are less reactive than those without them. |
| | B) | Two molecules with the same functional group will probably have similar chemical properties. |
| | C) | Two molecules with the same functional group will probably have similar physical properties. |
| | D) | The identity of the functional group in a molecule can be deduced from its name. |
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| 5 | |
In which of the following are the intermolecular forces arranged in order of increasing strength? |
| | A) | Hydrogen bonding, dipole-dipole forces and dispersion forces |
| | B) | Dispersion forces, hydrogen bonding, and dipole-dipole forces |
| | C) | Dispersion forces, dipole-dipole forces and hydrogen bonding |
| | D) | Dipole-dipole forces, hydrogen bonding and dispersion forces |
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| 6 | |
In which of the following are the compounds arranged in order of increasing boiling point? |
| | A) | Butane, hexane, methanol |
| | B) | Methanol, butane, hexane |
| | C) | Hexane, butane, methanol |
| | D) | Butane, methanol, hexane |
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| 7 | |
In which of the following are the compounds arranged in order of decreasing solubility in water? |
| | A) | CH3CH2OH, C6H6, CH3CH2 CH2 CH2 CH2OH |
| | B) | C6H6, CH3CH2 CH2 CH2 CH2OH, CH3CH2OH |
| | C) | CH3CH2 CH2 CH2 CH2OH, C6H6, CH3CH2OH |
| | D) | CH3CH2OH, CH3CH2 CH2 CH2 CH2OH, C6H6 |
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| 8 | |
Classify the following reaction.
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| | A) | Addition |
| | B) | Elimination |
| | C) | Oxidation |
| | D) | Substitution |
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| 9 | |
Classify the following reaction.
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| | A) | Addition |
| | B) | Elimination |
| | C) | Oxidation |
| | D) | Substitution |
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| 10 | |
When two organic molecules combine and one of the products is a water molecule the reaction is an example of |
| | A) | elimination |
| | B) | condensation |
| | C) | hydrolysis |
| | D) | addition |
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