List of top Chemistry Questions on Solutions asked in NEET (UG)

Match List I with List II:
Humidity & & I. Solid in solid
Choose the correct answer from the options given below:

5 moles of liquid X and 10 moles of liquid Y make a solution having a vapor pressure of 70 torr. The vapor pressures of pure X and Y are 63 torr and 78 torr, respectively. Which of the following is true regarding the described solution?
Arrange the following compounds in increasing order of their solubilities in chloroform:
NaCl, CH3OH, cyclohexane, CH3CN
The amount of glucose required to prepare 250 mL of \( \frac{M}{20} \) aqueous solution is:
(Molar mass of glucose: 180 g mol-1)

Pumice stone is an example of -

In one molal solution that contains 0.5 mole of a solute, there is
The following solutions were prepared by dissolving 10 g of glucose (C6H12O6 ) in 250 ml of water (P1), 10 g of urea (CH4N2O) in 250 ml of water (P2 ) and 10 g of sucrose (C12H22O11) in 250 ml of water (P3). The right option for the decreasing order of osmotic pressure of these solutions is

The right option for the statement “Tyndall effect is exhibited by”, is

The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol−1. What is the dissociation constant of acetic acid? Choose the correct option. 

The correct option for the value of vapor pressure of a solution at 45\(^{\circ}\)C with benzene to octane in molar ratio 3 : 2 is : [At 45\(^{\circ}\)C vapor pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]

Match the following and identify the correct option
A\(CO(g)+H_2 (g)\)I\(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\)
BTemporary hardness of waterIIAn electron deficient hydride
C\(B_2H_6\)IIISynthesis gas
D\(H_2O_2\)IVNon-planar structure
In water saturated air, the mole fraction of water vapour is $0.02$. If the total pressure of the saturated air is $1.2\, atm$, the partial pressure of dry air is :
Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations :
  1. \(60ml\frac{M}{10}HCL+40ml\frac{M}{10}NaOH\)
  2. \(55ml\frac{M}{10}HCL+45ml\frac{M}{10}NaOH\)
  3. \(75ml\frac{M}{5}HCL+25ml\frac{M}{5}NaOH\)
  4. \(100ml\frac{M}{10}HCL+100ml\frac{M}{10}NaOH\)

pH of which one of them will be equal to 1 ?

Which of the following is dependent on temperature?
If molality of the dilute solution is doubled, the value of molal depression constant (Kf) will be
The heating of phenyl-methyl ethers with HI produces.
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
Which one of the following is incorrect for ideal solution ?
What is the mole fraction of the solute in a $1.00\, m$ aqueous solution ?
Identify the correct order of solubility in aqueous medium
6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is
Vapour pressure of chloroform ${(CHCl_3)}$ and dichloromethane ${(CH2Cl2)}$ at $25^{\circ}C$ are 200 mmHg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of ${CHCl_3}$ and 40 g of ${CH2Cl2}$ at the same temperature will be: (Molecular mass of ${CHCl_3}$ = 119.5 u and molecular mass of ${CH2Cl2 = 85 \, u}$)
The freezing point depression constant for water is $-1.86^{\circ} Cm^{-1}$. If $5.00 \,g$ $Na_2SO_4$ is dissolved in $45.0\,g$ $H_2O$, the freezing point is changed by $- 3.82^{\circ} C$. Calculate the Van't Hoff factor for $Na_2SO_4$.
During osmosis, flow of water through a semi-permeable membrane is :
A solution has a 1:4 mole ratio of pentane to hexane. The vapour pressure of the pure hydrocarbons at 20°C are 440 mm of Hg for pentane and 120 mm of Hg for hexane. The mole fraction of pentane in the vapour phase would be