Problemas
A sample of an ionic compound dissolves completely in water. Choose the statements that are true about the solvation process.Select all tha Water molecules surround the individual ions. D The compound dissociated into its respective ions. D The orientation of the water molecules in a solvation shell depends on whether the ion is positively or negatively charged. D Hydrogen bonds in water become stronger than ionic bonds in the compound.
Solución
Barbaraprofessionell · Tutor durante 6 años
Verificación de expertos
4.6 (384 votos)
Responder
The correct statements are A, B, and C.
Explicar
## Step 1<br />The problem involves understanding the process of solvation, which is the interaction of solvent molecules with solute ions. In this case, the solvent is water and the solute is an ionic compound.<br /><br />## Step 2<br />The first statement, "Water molecules surround the individual ions", is true. This is the basic principle of solvation. Water molecules surround the individual ions, forming a solvation shell.<br /><br />## Step 3<br />The second statement, "The compound dissociates into its respective ions", is also true. When an ionic compound dissolves in water, it dissociates into its constituent ions.<br /><br />## Step 4<br />The third statement, "The orientation of the water molecules in a solvation shell depends on whether the ion is positively or negatively charged", is true. The orientation of water molecules in a solvation shell is determined by the charge of the ion. Water molecules orient themselves around the ion with the negative end of the molecule pointing towards the ion.<br /><br />## Step 5<br />The fourth statement, "Hydrogen bonds in water become stronger than ionic bonds in the compound", is not necessarily true. The strength of the hydrogen bonds in water does not necessarily become stronger than the ionic bonds in the compound. The strength of the hydrogen bonds in water depends on the specific conditions of the system, such as the concentration of the solution and the temperature.
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