NEET Chemistry Covalent Bond MCQ Question
Given that the bond length of the H-F bond in the HF molecule is 91.7 pm and the dipole moment is 1.91 D, calculate the magnitude of the partial charge (in units of electron charge e) on the hydrogen atom.
0.42 e
0.34 e
0.28 e
0.22 e
Correct Answer
Detailed Explanation
The dipole moment (μ) is the product of the charge (q) and the distance (d) between charges. Using μ = q × d, where μ = 1.91 D = 1.91 × 3.33564 × 10^-30 C·m, and d = 91.7 × 10^-12 m, solving for q gives approximately 0.34 e.
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