List the requirements for the ideal support material used in liquid-liquid chromatography.
See Answer →Explain the terms “retention time and retention factor”
See Answer →Brief explain important aspects of super critical fluid chromatography.
See Answer →List different criteria used for the choice of organic phase used in extraction/separation of metal ions.
See Answer →What conclusions can be arrived at from D in the extractions of metal chelates?
See Answer →Give a brief account of carboxylic and sulphonic acids used in extraction by compound formation.
See Answer →What is distribution ratio? Discuss the distribution of benzoic acid between benzene and water.
See Answer →Discuss how various separation methods can be classified on the basis of equilibrium processes.
See Answer →Briefly explain different forms of distillation.
See Answer →Briefly discuss the principle of the working of a flame photometer. Which are the other atomizers that have been proposed beside the flame and spectrographs for atomization.
See Answer →What are the advantages and disadvantages of using organic precipitants?
See Answer →Give the differences between coprecipitation and postprecipitation?
See Answer →How does the absorption indicators work for the Fajan’s method of precipitation titration.
See Answer →What are the criteria for solvent selection during redox titrations in nonaqueous solvents.
See Answer →What is the role of solvents in acid base reactions?
See Answer →What is the modern quinoid theory. Give the structures of and the colour changes of methyl orange and phenolphthalein based on this theory.
See Answer →With a suitable example illustrate the titration of a weak base versus strong acid.
See Answer →What is meant by buffer capacity of a solution.
See Answer →Calculate the of
CO3. (Kw = 1.0 × 10-14; K1 = 6.20 × 10-7 and K2 = 2.8 × 10-11 for H2CO3).
Urea of concentration 0.25 mM was hydrolysed using urease of concentration of 10.0 micro mol. Using the values and Michaelis constant for urease 2.0mM calculate the initial rate of the reaction.