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

Solutions question

2022 · 26 Jul · Shift 2 · Q15
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Solutions
  5. /2022 · 26 Jul · Shift 2 · Q15

Solutions question

2022 · 26 Jul · Shift 2 · Q15

JEE MainChemistrySolutionsNumerical+4 / −1
The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K3 \mathrm{~K}3 K. The depression in freezing point for 2 molal solution of A\mathrm{A}A in the same solvent is 6 KKK. The ratio of KbK_{b}Kb​ and KfK_{f}Kf​ i.e., Kb/KfK_{b} / K_{f}Kb​/Kf​ is 1:X1: X1:X. The value of XXX is [nearest integer]
Numerical answer
PreviousNext

More from Solutions

  • 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
  • Boiling point of a 2% aqueous solution of a non-volatile solute A is equal to the boiling point of 8% aqueous solution of a non-volatile solute B. The relation between molecular weights of A and B is2022 · MCQ
  • When a certain amount of solid A is dissolved in 100 g of water at 25∘C to make a dilute solution, the vapour pressure of the solution is reduced to one-half of that of pure water. The vapour pressure of pure…2022 · Numerical
  • Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : At 10 ∘ C, the density of a 5 M solution of KCl [atomic masses of K & Cl are 39 & 35.5 g mol − 1…2022 · MCQ
  • 2 g of a non-volatile non-electrolyte solute is dissolved in 200 g of two different solvents A and B whose ebullioscopic constants are in the ratio of 1 : 8. The elevation in boiling points of A and B are in the ratio yx​ (x :…2022 · Numerical
  • A solution containing 2.5 × 10 − 3 kg of a solute dissolved in 75 × 10 − 3 kg of water boils at 373.535 K. The molar mass of the solute is ​ g mol − 1. [nearest integer] (Given : Kb(H2​O) =…2022 · Numerical
  • 150 g of acetic acid was contaminated with 10.2 g ascorbic acid (C6​H8​O6​) to lower down its freezing point by (x×10−1)∘C.…2022 · Numerical