Solutions practice · Mixed difficulty

If $0.1\;M$ solutions of each electrolyte are taken and if all electrolytes are completely dissociated, then whose boiling point will be highest ?

What is the composition of gases in the tanks used by the scuba divers?

40% by weight solution will contain how much mass of the solute in 1L solution, density of the solution is 1.2 g/mL?

Which one of the statements given below concerning properties of solutions, describes a colligative effect?

What is molarity of ${{K^ + }}$ in aqueous solution that contains 17.4 ppm of ${K_2}S{O_4}(174\;g\;mo{l^{ - 1}})$?

Azeotropic mixture of $HCl$ and water has

Iodine and sulphur dissolve in

$2.5\mathrm{ }\;L\;\mathrm{ }of\;\mathrm{ }NaCl$ solution contain 5 moles of the solute.What is the molarity ?

Which will form maximum boiling point azeotrope

The molarity of 1% (w/w) HCl solution having density 0.365 g/ml is

Van’t Hoff factor more than unity indicates that the solute in solution has

5% (wt./vol.) aqueous NaCl solution and 5% (wt./vol.) aqueous KCl solution are :

Assertion (A) : For rubber and water, V(l) $>$ V(s)

Reason (R) : The density of both rubber and water is more in liquid state

What amount of water is added in $40\;\mathrm{ }mL$ of $NaOH\;(0.1\;N)$ which is neutralised by 50 mL of $HCl\;(0.2\;N)$?

Solution A contains 7 g/L of $MgC{l_2}$ and solution B contains 7 g/L of $NaCl$. At room temperature, the osmotic pressure of

If $\alpha$ is the degree of dissociation of $N{a_2}S{O_4}$ the van’t Hoff factor (i) used for calculating the molecular mass is

Choose the correct statement.
When concentration of a salt solution is increased

Ebullioscopy is concerned with

What weight of 70% (w/w) $HN{O_3}$ is required to prepare 250 ml of 2 molar aqueous $HN{O_3}$?

Assertion (A): Isotonic solutions must have same elevation in boiling point.

Reason (R): Osmotic pressure, $\pi=i C R T$

When a crystal of the solute is introduced into a super saturated solution of the solute :

Assertion: When Benzoic acid is dissolved in benzene its Van't Hoff factor is less than one.

Reason: in benzene, benzoic acid has tendency to form dimer.

Which of the following represents a metastable system?

At constant temperature on increasing pressure which is correct

Which of the following is the expression of Raoult’s law?
(${p = }$ vapour pressure of pure solvent, ${{p_s}}$ =vapour pressure of the solution)

The increase in boiling point of a solution containing 0.6 g urea in 200 g water is $0.50^\circ \mathrm{C}$ .Find the molal elevation constant.

The solubility of a gas in liquid at a temperature is directly proportional to its :

In the case of osmosis, solvent molecules move from :

If molecular interaction of two different liquid molecules are stronger than the molecular interactions of the same liquid molecules the mixture is expected to show :

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: 3.1500 g of hydrated oxalic acid dissolved in water to make 250.0 mL solution will result in 0.1 M oxalic acid solution.

Reason R: Molar mass of hydrated oxalic acid is $126\,{\text{g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$

In the light of the above statements, choose the correct answer from the options given below: