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If electronegativity of H and Cl are 2.1 and 3 respectively and bond length of H2 & Cl2 are 0.47A⁰ & 1.98 A⁰ respectively, then calculate the internuclear distance of HCl molecule.?
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If electronegativity of H and Cl are 2.1 and 3 respectively and bond l...
Calculating the Internuclear Distance of HCl Molecule
- Step 1: Determine the Electronegativity Difference
- The electronegativity difference between H and Cl is 3 - 2.1 = 0.9.
- Step 2: Calculate the Covalent Radii of H and Cl
- The covalent radii of H and Cl are approximately 0.37 A⁰ and 1.02 A⁰, respectively.
- Step 3: Use the Equation for Internuclear Distance
- The internuclear distance (d) of a diatomic molecule can be calculated using the equation:
d = rA + rB - (electronegativity difference * 0.09)
- Step 4: Substitute the Values
- For HCl molecule, substituting the values:
d = 0.37 + 1.02 - (0.9 * 0.09)
d = 1.39 - 0.081
d = 1.309 A⁰
Therefore, the internuclear distance of the HCl molecule is approximately 1.309 A⁰. This calculation takes into account the electronegativity difference between the two atoms and their respective covalent radii.
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If electronegativity of H and Cl are 2.1 and 3 respectively and bond length of H2 & Cl2 are 0.47A⁰ & 1.98 A⁰ respectively, then calculate the internuclear distance of HCl molecule.?
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