Which technique is most effective for separating a 1:1 mixture of ortho-nitrophenol and para-nitrophenol?
Steam distillation
Sublimation
Chromatography
Simple distillation
Related Questions
You are purifying a sample containing p-nitroaniline and o-nitroaniline. Exploiting the difference in their basicity, which method would be most effective for separating these isomers?
Fractional distillation
Simple recrystallization from water
Dissolving the mixture in dilute HCl and then selectively precipitating p-nitroaniline by careful neutralization with dilute NaOH
Steam distillation
A mixture containing equal amounts of ortho-nitrophenol and para-nitrophenol needs to be separated. Which of the following separation methods exploits the difference in their volatility due to intramolecular and intermolecular hydrogen bonding?
Fractional crystallization
Simple distillation
Steam distillation
Solvent extraction
Which technique is most effective for separating a 1:1 mixture of ortho-nitrophenol and para-nitrophenol?
Steam distillation
Sublimation
Chromatography
Simple distillation
Which property difference between ortho-nitrophenol and para-nitrophenol is utilized in their separation by steam distillation?
Melting point
Solubility in water
Volatility
Density
In the context of separating a mixture of ortho and para nitrophenols, what makes ortho-nitrophenol more amenable to steam distillation?
Higher molecular weight
Intermolecular hydrogen bonding
Lower melting point
Intramolecular hydrogen bonding
Why is steam distillation preferred over simple distillation for separating a mixture of ortho and para nitrophenols?
It is a faster method.
It requires less energy.
It allows separation at lower temperatures, preventing decomposition.
It is more efficient for separating isomers.
The best method to separate the mixture of and nitrophenol (1:1) is
Vaporisation
Colour spectrum
Distillation
Crystallisation