Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Solutions question

2006 · Q95
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Solutions
  5. /2006 · Q95

Solutions question

2006 · Q95

NEETChemistrySolutionsMCQ+4 / −1
A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol−-−1) is isotonic with a 5% solution of a nonvolatile solute is
  1. A
    200 g mol−-−1
  2. B
    250 g mol−-−1
  3. C
    300 g mol−-−1
  4. D
    350 g mol−-−1
View written solutionFree

Correct answer: C

For isotonic solution,

osmotic pressure of urea = osmotic pressure of nonvolatile solute

1060×1000{{10} \over {60 \times 1000}}60×100010​ = 5m×100{5 \over {m \times 100}}m×1005​

⇒\Rightarrow⇒ m = 300 g mol–1

PreviousNext

More from Solutions

  • 1.00 g of a non-electrolyte solute (molar mass 250 g mol−1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol−1, the freezing point of benzene will be lowered by2006 · MCQ
  • The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 mole of P and 2 mole of Q would be2005 · MCQ
  • A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapour phase would be2005 · MCQ
  • A solution of urea (mol. mass 56 g mol−1) boils at 100.18oC at the atmospheric pressure. If Kf and Kb for water are 1.86 and 0.512 K kg mol−1 respectively, the above solution will freeze at2005 · MCQ
  • A solution containing components A and B folloes Raoult's law2002 · MCQ
  • A solution contains non volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?2002 · MCQ
  • Pure water can be obtained from sea water by2001 · MCQ
  • From the colligative properties of solution, which one is the best method for the determination of molecular weight of proteins and polymers?2000 · MCQ