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The electronegativity is 2.1 for H and 3.0 for Cl. Based on these electronegativities, HCI would be expected to A. have polar covalent bonds with a partial positive charges on the H atoms. B. have ionic bonds and contain H+ ions. C. have nonpolar covalent bonds and contain Hions. D. have nonpolar covalent bonds with a partial negative charges on the H atoms.

Sagot :

Based on these electronegativities, HCI would be expected to have polar covalent bonds and contain H+ ions.

  • Hydrochloric acid, also referred to as muriatic acid, is HCl. It is a component of the hydrogen halides (HX) family. Due to their propensity to lose a proton in a solution.
  • Hydrogen halides are diatomic inorganic molecules that function as Arrhenius acids. Since the X belongs to the halogen family (group 17), it can be fluorine, chlorine, bromine, or iodine.
  • In hydrogen chloride, only 17 percent of the hydrogen atom's electron density has been transferred to the chlorine atom. It confirms that the H-Cl bond in the hydrogen chloride is a polar covalent bond, not an ionic bond.
  • In hydrogen chloride, the chlorine atom is 127.4 x 10⁻¹² m away from the hydrogen atom, giving the compound a 1.05 D dipole moment.
  • 1 D equals 3.33 x 10⁻³⁰ C. m.
  • The chlorine atom i will have an equal but opposite charge. e. Therefore, the value of the partial charge in the hydrogen chloride compound is 0.027 x 10⁻¹⁸ C.

Mathematically,

% of ionic character = 16(Xa - XB ) + 3.5(XA - Xb )

=16(3-2.1)+3.5(3-2.1)²

= 14.4+2.835

= 17.235%

:. The nature of HCI is 17.2% ionic

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