Select all the correct statements from the list below. One or more statements ma
ID: 482794 • Letter: S
Question
Select all the correct statements from the list below. One or more statements may be correct and you will receive negative points for incorrect answers
Organic acids with longer hydrocarbon portions are more likely to distribute into the toluene layer than organic acids with shorter hydrocarbon portions.
An equilibrium constant value of K = 1 indicates that the organic acid exists in equal concentrations in the two layers at equilibrium.
Small organic acids tend to be soluble in both water and toluene.
The equilibrium constant for the distribution of an organic acid between toluene and water does not depend on whether the acid was originally dissolved in water or in toluene.
An equilibrium constant value of K > 1 indicates that the organic acid exists in greater concentrations in the toluene layer at equilibrium.
Organic acids with longer hydrocarbon portions are more likely to distribute into the toluene layer than organic acids with shorter hydrocarbon portions.
An equilibrium constant value of K = 1 indicates that the organic acid exists in equal concentrations in the two layers at equilibrium.
Small organic acids tend to be soluble in both water and toluene.
The equilibrium constant for the distribution of an organic acid between toluene and water does not depend on whether the acid was originally dissolved in water or in toluene.
An equilibrium constant value of K > 1 indicates that the organic acid exists in greater concentrations in the toluene layer at equilibrium.
Explanation / Answer
1) Organic acids with longer hydrocarbon portions are more likely to distribute into the toluene layer than organic acids with shorter hydrocarbon portions.
This is correct. The hydrocarbon part dissolve in nonpolar solvent (Like dissolves like)
2) An equilibrium constant value of K = 1 indicates that the organic acid exists in equal concentrations in the two layers at equilibrium.
This is correct.
3) Small organic acids tend to be soluble in both water and toluene.
This is correct. The hydrocarbon chain make it soluble in toluene, while the polar acid group make it soluble in water
4) The equilibrium constant for the distribution of an organic acid between toluene and water does not depend on whether the acid was originally dissolved in water or in toluene.
This is correct
5) An equilibrium constant value of K > 1 indicates that the organic acid exists in greater concentrations in the toluene layer at equilibrium.
This is also correct. K > 1 indicates excess organic acid in toluene and K < 1 indicates excess organic acid in water
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