Which of the following aqueous solution shas osmotic presseure nearest to that of an equimolar solution of `K_(4)[Fe(CN)_(6)]`

In K_(4)Fe(CN)_(6)

Which of the following aqueous solutions has osmotic pressure nearest to pure solvent ?

Which of the following aqueous solutions has osmotic pressure nearest to pure salvent ?

K_(4)[Fe(CN)_(6)] is a

K_(4)[Fe(CN)_(6)] is a

Which of the following as an aqueous solution has a freezing point most nearly equal to that of an equimolar solution of K_(4)[Fe(CN)_(6)] (assume complete ionisation of electrolytes )

Which of the following mixture in aqueous solution of equimolar concentration acts as a buffer solution.