Solutions

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Helium is used to dilute oxygen in diving apparatus. Reasons R: Helium has high solubility in $O_{2}$ In…

Which of the following will form the cathode with respect to iron anode in an electrolyte cell?

Match List - I with List - II $\begin{array}{llll} & \begin{array}{l} \text { List-I } \\ \text { (Example) } \end{array} & & \begin{array}{l} \text { List-II } \\ \text { (Type of Solution) } \end{array} \\ \text { A.…

The following solutions were prepared by dissolving \$10g$ of glucose \$(C_{6}H_{12}O_{6})$ in \$250mL$ of water \$(P_{1}),10g$ of urea \$(CH_{4}N_{2}O)$ in \$250mL$ of water \$(P_{2})$ and \$10g$ of sucrose…

$\mathrm{K}_{\mathrm{H}}$ value for some gases at the same temperature ' $\mathrm{T}$ ' are given: $\begin{array}{c|c} \text {gas } & \mathrm{K}_{\mathrm{H}} / \mathbf{k} \text { bar } \\ \hline \mathrm{Ar} & 40.3 \\…

The mixture which shows positive deviation from Raoult's law is

The freezing point depression constant Kf of benzene is 5.12 K kg mol-1. The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal…

The van't Hoff factor i for a dilute aqueous solution of the strong electrolyte barium hydroxide is

Assertion A : For an ideal solution formed by mixing liquids $\text{P}$ and $\text{Q}$, $\Delta_{mix}H=0$ and $\Delta_{mix}V=0$ Reason R : No interactions occur between $\text{P}$ and $\text{Q}$. In the light of the…

Consider the following statements about the solutions formed by mixing two liquids. A. An ideal solution thus formed obeys Raoult's law throughout the composition range. B. Mixture of chloroform and acetone shows…

Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to :

Identify the correct statements : A. The molality of $2.5$ g of ethanoic acid (Molar mass : $60$ g mol$^{-1}$) in $75$ g of benzene solution is $0.556$ m. B. The molarity of a solution containing $5$ g of NaOH (molar…