The dipole moment of CS² is ____________?
Correct answer: C. 0
- A. 1
- B. 2.3
- C. 0
- D. 1.8
Explanation
CS2 is a linear, symmetrical molecule, so the two equal C=S bond dipoles point in opposite directions and cancel; its net dipole moment is 0 D. The likely wrong choice is 2.3 D, caused by adding the individual bond polarities without considering molecular symmetry.
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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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