2007-01-17 01:41:46 · 3 answers · asked by lorlipop 2 in Science & Mathematics ➔ Chemistry
The HCl molecule is not purely covalant.It has approx. 40% ionic character and 60% covalant character . so the HCl is partially polar and in water it dissociates into H+ & Cl-.
2007-01-17 08:21:54 · answer #1 · answered by pankaj 2 · 0⤊ 0⤋
When HX dissolves in water, the diatomic molecule dissociates into H+ and X-. The ions are then heavily hydrated (surrounded by water molecules) to form hydronium ion and halide ion in solution. This is a much lower energy state than the diatomic molecule, as evidenced by the fact that the dissolution is exothermic.
2007-01-17 09:56:50 · answer #2 · answered by Dave_Stark 7 · 1⤊ 0⤋
HCl & water are purely ionicly bonded molecule meaning that they are electromagneticly charged.
All ionicly bonded molecules are soluble by the process described in the very first answer.
2007-01-17 10:18:35 · answer #3 · answered by sprcpt 6 · 0⤊ 0⤋