Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Solutions question

2023 · 31 Jan · Shift 2 · Q6
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Solutions
  5. /2023 · 31 Jan · Shift 2 · Q6

Solutions question

2023 · 31 Jan · Shift 2 · Q6

JEE MainChemistrySolutionsMCQ+4 / −1
Evaluate the following statements for their correctness. A. The elevation in boiling point temperature of water will be same for 0.1M NaCl0.1 \mathrm{M} \, \mathrm{NaCl}0.1MNaCl and 0.1M0.1 \mathrm{M}0.1M urea. B. Azeotropic mixtures boil without change in their composition. C. Osmosis always takes place from hypertonic to hypotonic solution. D. The density of 32% H2SO432 \% \, \mathrm{H}_{2} \mathrm{SO}_{4}32%H2​SO4​ solution having molarity 4.09 M4.09 ~\mathrm{M}4.09 M is approximately 1.26 g mL−11.26 \mathrm{~g} \mathrm{~mL}^{-1}1.26 g mL−1 E. A negatively charged sol is obtained when KI solution is added to silver nitrate solution. Choose the correct answer from the options given below :
  1. A
    A, B and D only
  2. B
    A and C only
  3. C
    B and D only
  4. D
    B, D and E only
PreviousNext

More from Solutions

  • The osmotic pressure of blood is 7.47 bar at 300 K. To inject glucose to a patient intravenously, it has to be isotonic with blood. The concentration of glucose solution in gL − 1 is ​. (Molar mass of glucose =…2022 · Numerical
  • A company dissolves 'x' amount of CO2​ at 298 K in 1 litre of water to prepare soda water. X = ​× 10 − 3 g. (nearest integer) (Given : partial pressure of CO2​ at 298 K = 0.835 bar. Henry's law constant…2022 · Numerical
  • The depression in freezing point observed for a formic acid solution of concentration 0.5 mL L−1 is 0.0405∘C. Density of formic acid is 1.05 g mL−1. The Van't Hoff factor…2022 · MCQ
  • Two solutions A and B are prepared by dissolving 1 g of non-volatile solutes X and Y, respectively in 1 kg of water. The ratio of depression in freezing points for A and B is found to be 1 : 4. The ratio of molar masses of X and Y is2022 · MCQ
  • Solute A associates in water. When 0.7 g of solute A is dissolved in 42.0 g of water, it depresses the freezing point by 0.2 ∘ C. The percentage association of solute A in water, is : [Given : Molar mass of A = 93 g mol − 1. Molal…2022 · MCQ
  • The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K. The depression in freezing point for 2 molal solution of A in the same solvent is 6 K. The ratio of Kb​ and Kf​ i.e., Kb​/Kf​…2022 · Numerical
  • A 0.5 percent solution of potassium chloride was found to freeze at − 0.24 ∘ C. The percentage dissociation of potassium chloride is ​. (Nearest integer) (Molal depression constant for water is 1.80 K kg…2022 · Numerical
  • The osmotic pressure exerted by a solution prepared by dissolving 2.0 g of protein of molar mass 60 kg mol − 1 in 200 mL of water at 27 ∘ C is ​ Pa. [integer value] (use R = 0.083 L bar mol − 1 K − 1)2022 · Numerical