If the electronegativity difference between bonded atoms is zero, the bond between the two atoms is:
Correct answer: C. Non-polar
- A. Polar
- B. Partially Ionic
- C. Non-polar
- D. Both B and C
Explanation
Explanation:If the electronegativity difference between bonded atoms is zero, the bond between the two atoms is non-polar.This option is not correct. If the difference is greater than 0.4, the bond becomes polar. This option is also not correct. If the difference is greater than 1.7, the bond becomes ionic.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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About Dipole Moment
Dipole moment measures the separation of positive and negative charge in a bond or molecule, with magnitude related to charge and distance, μ = q r. Questions distinguish polar bonds from polar molecules by considering bond direction, molecular geometry and whether individual bond moments cancel through symmetry.
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