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Verified Answer & Explanation⌄

Correct Answer: A) O₂

Concept Explanation

For ions with the same magnitude of charge: |q|/m ∝ 1/m. O₂⁺ has the greatest mass among the listed ions, so it has the smallest charge-to-mass ratio.

Topic: Positive Rays and Specific ChargePractice more Positive Rays and Specific Charge MCQs →