In CCl4, all C-Cl bonds are _ but the molecule is overall _.
Correct answer: A. Polar, Nonpolar
- A. Polar, Nonpolar
- B. Nonpolar, Neutral
- C. Polar, Neutral
- D. Neutral, Nonpolar
Explanation
CCl4, or carbon tetrachloride, contains only polar bonds. The molecule, however, is nonpolar because it has symmetrical geometry. These four equivalent carbon-chlorine bonds generate four dipole moments. These dipole moments cancel each other, and the molecule has no overall polarity. Hence, A is the correct option.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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