Solutions — practice questions
90 curated practice questions from Solutions (Chemistry JEE Advanced, NTA Exams) — 18 medium, 72 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- When mercuric iodide is added to the aqueous solution of potassium iodide then
- Assertion (A) : The sum of mole fractions of all components of a solution is unity. Reason : Mole fraction is…
- The freezing point of 1 molal NaCl solution assuming NaCl to be 100% dissociated in water is
- During depression of freezing point in a solution the following are in equilibrium (2003)
- 0.01 M solution each of urea, common salt and Na 2 SO 4 are taken, the ratio of depression of freezing point is
- Assertion (A) : The vapour pressure of a liquid decreases if some non-volatile solute is dissolved in it. Reason (R) …
- 30 ml of solution is neutralised by 15 ml of 0.2 N base. The strength of the acid solution is
- Study the figure given aside and pick out the correct option(s) of the following :
- Two aqueous solutions S 1 and S 2 are separated by a semi-permeable membrane. S 2 has lower vapour pressure than S 1 …
- A binary liquids mixture of two liquid A and B showing the departure from the ideal behaviour :
- In binary liquid mixture of components, A and B, the former has greater tendency to escape into the vapour state than…
- The plot of 1 y _ A against 1 x _ A is linear with slope and intercept respectively :
- Which of the following pairs shows a negative deviation from Raoult’s law ?
- Which one of the following solutions of sulphuric acid will exactly neutralise 25 ml of 0.2 M sodium hydroxide solution…
- The freezing point (in °C) of a solution containing 0.1 g of K 3 [Fe(CN) 6 ] (Mol. wt. = 329) in 100 g of water ( K f =…
- A 0.004 M solution of Na 2 SO 4 is isotonic with 0.010 M solution of glucose at same temperature. The percentage…
- In which mode of expression, the concentration of a solution remains independent of temperature?
- Air contains O 2 and N 2 in the ratio of 1 : 4. The ratio of their solubilities in terms of mole fractions at…
- The normal boiling point of toluene is 110.7 0 C, and its boiling point elevation constant is 3.32 K kg mol –1 . The…
- 0.004 M Na 2 SO 4 is isotonic with 0.01 M glucose. The degree of dissociation of Na 2 SO 4 is
- In the depression of freezing point experiment, it is found that the
- Consider the following statements 1 . Isotonic solutions have the same molar concentration at a given temperature. 2 …
- Mixture of volatile components A and B has total vapour pressure (in torr) : P = 254 – 119X A where, X A is mole…
- During depression of freezing point in a solution the following are in equilibrium
- To 5.85 g of NaCl, one kg of water is added to prepare a solution. What is the strength of NaCl in this solution ?…
- A Protein has been isolated as sodium salt with their molecular form Na _ 2 P (this notation means xNa ^ + ions are…
- Assertion (A) : The boiling point of 0.1 M urea solution is less than that of 0.1 M KCl solution. Reason (R) …
- An azeotropic solution of two liquids has boiling point lower than either of them when it
- Which statement about the composition of vapour over an ideal 1 : 1 molar mixture of benzene and toluene is correct?…
- In the depression in freezing point experiment, it is observed that
- The freezing point (inº C) of solution containing 0.1g of K 3 [Fe(CN) 6 ] (mol. wt. 329) in 100g of water (K f = 1.86 K…
- A Protein has been isolated as sodium salt with their molecular form Na _ 2 P (this notation means xNa ^ + ions are…
- 10 g of glucose (π 1 ), 10 g of urea (π 2 ) and 10 g of sucrose (π 3 ) are dissolved in 250 mL of water at 300 K (π =…
- 100 ml of a liquid A was mixed with 25 ml of a liquid B to give a non-ideal solution of A-B mixture. The volume of this…
- Given that ∆T f is the depression in freezing point of the solvent in a solution of a non volatile solute of molality…
- The molal freezing point constant for water is 1.86 0 C/mole. Therefore, the freezing point of 0.1M NaCl solution in…
- Assertion (A) : NaCl in water and organic acids in benzene show abnormal molecular mass Reason (R) : Abnormal molecular…
- The van’t Hoff factors i for an electrolyte which undergoes dissociation and association in solvents are respectively
- Properties such as boiling point, freezing point and vapour pressure of a pure solvent change when solute molecules are…
- A molal solution is one that contains one mole of a solute in
- The freezing point of equimolal aqueous solutions will be highest for
- Which of the following statements is correct for a binary solution ?
- A solution is prepared containing a 2 : 1 mol ratio of dibromo ethane (C 2 H 4 Br 2 ) and dibromo propane (C 3 H 6 Br 2…
- Vapour pressure of a solution of 5 g of non-electrolyte in 100 g of water at a particular temperature is 2985 N/m 2 …
- During depression of freezing point in a solution the following are in equilibrium
- The osmotic pressures of equimolar solutions of Al 2 (SO 4 ) 3 , KCl and sugar will be in the order
- Solutions A, B, C and D are respectively 0.1 M glucose, 0.05 M NaCl, 0.05 M BaCl 2 and 0.1 M AlCl 3 . Which of the…
- For a solution formed by mixing liquids L and M , the vapour pressure of L plotted against the mole fraction of M in…
- The millimoles of N 2 gas that will dissolve in 1L of water at 298 K. when it is bubbled through water and has a…
- The diagram given below is a vapour pressure-composition diagram for a binary solution of A and B. In the solution, A–B…
- Which statement is incorrect about osmotic pressure (π), volume (V) and temperature (T) ?
- The molal b.p. constant for water is 0.513 0 C kg mol –1 . When 0.1 mole of sugar is dissolved in 200 g of water, the…
- Which of the following graphs represent the behaviour of ideal binary liquid mixture ?
- If P A is the vapour pressure of a pure liquid A and the mole fraction of A in the mixture of two liquids A and B is x…
- Assertion (A) : If more and more non-volatile solute is added to a solvent, the freezing point of the solution keeps on…
- The Henry’s law constant for the solubility of N 2 gas in water at 298 K is 1.0 × 10 5 atm. The mole fraction of N 2 in…
- The Henry’s law constant for the solubility of N 2 gas in water at 298 K is 1.0 × 10 5 atm. The mole fraction of N 2 in…
- 50 ml of 0.2 N HCl, 50 ml of 0.1 N H 2 SO 4 and 100 ml 0.2 N HNO 3 are mixed. The normality of resulting solution is
- The freezing point of a 0.05 molal solution of a non-electrolyte in water is
- Elevation in boiling point was 0.52 0 C when 6 gm of a compound X was dissolved in 100 gm of water. Molecular weight of…
- Calculate the molecular weight of a substance if the freezing point of a solution containing 100 g of benzene and 0.2g…
- If a solute undergoes dimerization and trimerization, the minimum values of the van’t Hoff factors are
- When 20 g of naphthoic acid (C 11 H 8 O 2 ) is dissolved in 50 g of benzene ( K f = 1.72 K kg mol –1 ), a freezing…
- Which of the following is/are correct statements (s) about the Raoult’s law applied to a solution of non-volatile…
- Molarity of a solution containing 1g NaOH in 250 ml of solution is
- Which of the following 0.1 M aqueous solutions will have the lowest freezing point?
- Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethanol to 500 g of water changes the freezing point…
- 0.2 molal acid H X is 20% ionised in solution, K f = 1.86 K molality –1 . The freezing point of the solution is
- 0.2 molal acid HX is 20% ionised in solution. K f = 1.86 K Kg mol –1 . The freezing point of the solution is :
- On freezing an aqueous solution of sugar, the solid that starts separating out is
- When 1.345 g of CuCl 2 is dissolved in 1 kg of water, the elevation in boiling point will be (K b = 0.52, molar mass of…
- The formula weight of H 2 SO 4 is 98. The weight of the acid in 400 ml of 0.1 M solution is
- 0.004 M Na 2 SO 4 is isotonic with 0.01 M glucose. Degree of dissociation of Na 2 SO 4 is (2004)
- Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethanol to 500 g of water changes the freezing point…
- Water is added to the solution M such that the mole fraction of water in the solution becomes 0.9. The boiling point of…
- Which pair (s) of liquids on mixing are expected to show no net volume change and no heat effect
- Assertion (A) : ∆H mix and ∆V mix are zero for the ideal solution. Reason : The interactions between the particle of…
- The molarity of a solution of Na 2 CO 3 having 10.6 g in 500 ml of solution is
- An aqueous solution freezes at –2.55 0 C. What is its boiling point ( K_ b of water =0.52 ~K / m ; K_ f of water =1.86…
- 10 ml of 3N-HCl, 20 ml of N/2 H 2 SO 4 and 30 ml of N/3 HNO 3 are mixed together and volume made to one litre. The…
- The volume strength of 1.5 N H 2 O 2 solution is
- Among 0.1 M solutions of urea, Na 3 PO 4 and Al 2 (SO 4 ) 3 , which is incorrect ?
- For a dilute solution containing 2.5g of a non-volatile non-electrolyte solute in 100g of water, the elevation in…
- The relative lowering of the vapour pressure is equal to the ratio between the number of
- The molecular weight of benzoic acid in benzene as determined by depression in freezing point method corresponds to
- Properties such as boiling point, freezing point and vapour pressure of a pure solvent change when solute molecules are…
- The elevation in boiling point of a solution of 13.44g of CuCl 2 in 1 kg of water using the following information will…
- In a solution of 7.8 g of benzene (C 6 H 6 ) and 46 g of toluene (C 6 H 5 CH 3 ), the mole fraction of benzene is
- When 20 g of naphthoic acid (C 11 H 8 O 2 ) is dissolved in 50 g of benzene (K f = 1.72 K kg mol –1 ), a freezing point…
- The vapour pressure of benzene at a certain temperature is 640 mm of Hg. A nonvolatile electrolyte solute weighing…