The van't Hoff factor $(i)$ for the reaction of $HNO_3$ with $H_2SO_4$ is:

Which of the following solutions will have the highest boiling point?

When $0.01 \ mol$ of sodium sulphate $(Na_2SO_4)$ is dissolved in $1 \ kg$ of water,complete ionization of the solution is observed. Calculate the decrease in the freezing point of the solution. $(K_f = 1.86 \ K \ kg \ mol^{-1})$

Which of the following has the minimum freezing point?

For $0.01 \ M$ solutions of urea,$NaCl$,and $Na_2SO_4$,the ratio of their depression in freezing point is .......

When mercuric iodide $(HgI_2)$ is added to an aqueous solution of potassium iodide $(KI)$,the