At infinite dilution the degree of dissociation for urea in aqueous so...
At infinite dilution ,any electrolyte whether weak or strong has degree of dissociation as 1.
At infinite dilution the degree of dissociation for urea in aqueous so...
Introduction:
At infinite dilution, the degree of dissociation for urea in aqueous solution is an important concept in physical chemistry. This refers to the extent to which a substance dissociates into its constituent ions when dissolved in water. In the case of urea, the degree of dissociation is influenced by a number of factors, including temperature, pressure, and the presence of other solutes.
Degree of dissociation:
At infinite dilution, the degree of dissociation for urea in aqueous solution is very low. This means that most of the urea molecules remain intact, rather than breaking down into their constituent ions. The reason for this is that urea is a weak electrolyte, meaning that it only partially dissociates in solution. In addition, the low concentration of urea in an infinitely dilute solution means that there are few opportunities for interactions between urea molecules and water molecules.
Influence of temperature:
The degree of dissociation for urea in aqueous solution is influenced by temperature. As the temperature increases, the degree of dissociation also increases, as more thermal energy is available to break the bonds between urea molecules. However, this effect is relatively small, and the degree of dissociation remains low even at high temperatures.
Influence of pressure:
The degree of dissociation for urea in aqueous solution is also influenced by pressure. At high pressures, the degree of dissociation increases slightly, due to the compression of the urea molecules. However, this effect is also relatively small, and the degree of dissociation remains low even at high pressures.
Influence of other solutes:
The degree of dissociation for urea in aqueous solution can be influenced by the presence of other solutes. For example, the addition of strong electrolytes, such as sodium chloride, can increase the degree of dissociation by competing with urea molecules for water molecules. However, this effect is also relatively small, and the degree of dissociation remains low even in the presence of other solutes.
Conclusion:
In conclusion, at infinite dilution, the degree of dissociation for urea in aqueous solution is very low, due to its weak electrolytic nature and low concentration. While temperature, pressure, and the presence of other solutes can influence the degree of dissociation to some extent, the overall effect is relatively small.