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NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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The electronegativity values of C, H, O, N and S are 2.5, 2.1, 3.5, 3.0 and 2.5 respectively. Which of the following bonds is most polar?
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Correct option: D
O\mathrm{O}-H\mathrm{H}
Option D (O\mathrm{O}-H\mathrm{H}) is correct because the electronegativity difference between oxygen (3.5) and hydrogen (2.1) is the largest among the given options, resulting in the most polar bond.

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