Download App

1. Solution and colligative properties — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry1. Solution and colligative properties1 Mark
MCQ
Which one of the following statement is false?
  • A
     Raoult's law for a mixture of two liquids states that the vapour pressure of a component over a solution is proportional to its mole fraction
  • B
     The osmotic pressure $(\pi)$ of a solution is given by a equation $\pi = iCRT$ where $C$ is the molarity of the solution
  • C
    The correct order of osmotic pressure for $0.02\, M$ aqueous solution of each compound is $SrCl_2 > NaCl > HCOOH > Sucrose$
  • ✓
    Two sucrose solution of same molality prepared in different solvent will have the same freezing point depression
✓

Answer

Correct option: D.
Two sucrose solution of same molality prepared in different solvent will have the same freezing point depression
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 1. Solution and colligative properties→1. Solution and colligative properties — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Which of the following has the highest molar conductivity solution ?
→
The first organic compound synthesized in the laboratory from an inorganic compound is:
→
$A\mathop {\xrightarrow{\Delta }}\limits_{{{800}\,^o}C} C{H_2} = C = O$, Reactant $‘A’$ in the reaction is
→
The rate of a reaction depends upon the
→
At $100\,^o C$ the vapour pressure of a solution of $6.5\,g$ of a solute in $100\, g$ water is $732\,mm.$ If $K_b = 0.52,$ the boiling point of this solution will be  .........$^oC$
→
Consider two reactions

$I$ .  $Zn +$ conc. $HNO_3$ (hot) $\to Zn(NO_3)_2 + X + H_2O$

$II$.  $Zn +$ dil. $HNO_3$ (cold) $\to Zn(NO_3)_2 + Y + H_2O$

Compounds $X$ and $Y$ are respectively

→
The $\pi - $bonded organo metallic compound which has ethene as one of its component is
→
Major product ,$(B)$ in this reaction is
→
${C_2}{H_5} - C \equiv C - {C_2}{H_5}\xrightarrow{{Na(liq.\,N{H_3})}}(A)\xrightarrow{{B{r_2}/CC{l_4}}}(B)$

Correct statement regarding $B$ product?

→
Complex salt can be made by the combination of ${[C{o^{III}}{(N{H_3})_5}Cl]^X}$ with
→