Which of the following is the best explanation that CO2 is non polar molecule __________________?
Correct answer: B. Dipole moment is zero
- A. Linear geometry
- B. Dipole moment is zero
- C. Sp hybridization
- D. None
Explanation
CO2 is linear and symmetrical, so the two equal C=O bond dipoles point in opposite directions and cancel, giving a net dipole moment of zero. Thus zero dipole moment is the most direct explanation for its non-polar nature, while linear geometry is the structural reason for that cancellation. Students may choose a because they identify the shape but do not state the resulting molecular property.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
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.
Practise Chemical Bonding
964 free Chemical Bonding MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Dipole Moment questions
Measurement of the degree of polarity is___________________?
Unit of dipole moment is_________________?
Which one shows high %age of the ionic character ?
Which of the following molecule is polar__________________?
Which of the following molecule is polar?
The difference in the E.N values of the bonded atoms b/w two atoms is an index to of covalent bond: