Recent questions tagged depression-of-freezing-point

Maximum freezing point will be for 1 molal solution of (assuming equal ionization in each case)

asked Jun 16, 2015 by varun28031999

0 answers

Which of the following solvents has the largest value of $K_f$?

asked Aug 6, 2014 by meena.p

1 answer

The molar mass and the freezing point of camphor are $152.2\;g\;mol^{-1} $ and $178.4^{\circ} C $ respectively . The cryoscopic constant of camphor is $ 37.7\;K\;kg\;mol^{-1}$, the molar enthalpy of fusion of camphor is about

asked Aug 6, 2014 by meena.p

1 answer

If the freezing point depression constant of a solvent is $20.0\;K\;kg\;mol^{-1}$. If its $\Delta_{fus} H^0_m=2.74\;kJ\;mol^{-1}$ and its molar mass is $84.2\;g\;mol^{-1}$ the normal freezing point of the solvent would be about

asked Aug 6, 2014 by meena.p

1 answer

For water , $ \Delta _{fus} H^3_m=2.74 \;kJ\;mol^{-1}$ and its molar mass is $ 84.2\;g \;mol^{-1} $ the normal freezing point depression constant at 1 atm pressure would be about

asked Aug 6, 2014 by meena.p

1 answer

When $20\;g$ of naphthoic acid $(C_{11}H_gO_2)$ is dissolved in $50 \;g$ of benzene $(K_t =1.72\;K\;kg\;mol^{-1}).$, a freezing point depression of $2 K$ is observe. The van't Hoff factor (i) is

asked Aug 6, 2014 by meena.p

1 answer

The unit of freezing point depression constant is

asked Aug 6, 2014 by meena.p

1 answer

The freezing point of a $0.05$ molal solution of a nonelectrolyte in water is

asked Aug 6, 2014 by meena.p

1 answer

The molar mass of acetic acid dissolved in benzene determined from the depression in freezing point is found to be

asked Aug 6, 2014 by meena.p

1 answer

The freezing point of equimolal solution will be lowest for

asked Aug 6, 2014 by meena.p

1 answer

Which of the following exhibits the greater freezing - point lowering ?

asked Aug 6, 2014 by meena.p

1 answer

When a sugar- solution is slowly frozen, the first solid which separates out is

asked Aug 6, 2014 by meena.p

1 answer

Pure Benzene freezes at $5.4 ^{\circ}\;C$. A solution of $0.223 \;g$ of phenyl acetic acid $(C_6 H_5 CH_2 COOH)$ in $4.4\;g$ benzene $(K_f =5.12 K\; Kg\;mol^{-1}) $ freezes at $4.47 ^{\circ}$ . From this observation , one can conclude that

asked Aug 5, 2014 by meena.p

1 answer

Assuming $ 100\%$ ionization , the increasing order of the freezing point of the solution will be

asked Aug 5, 2014 by meena.p

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A solution contains $0.1 \; mol$ of acetamide in 1L of glacial acetic acid . When the solution is cooled , the first crystals that appeared at the freezing point contain the molecules of

asked Aug 5, 2014 by meena.p

1 answer

For an ideal solution containing a nonvolatile solute, Which of the following expression is correctly represented?

asked Aug 5, 2014 by meena.p

1 answer

The freezing point of equimolal aqueous solution will be highest for

asked Aug 5, 2014 by meena.p

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Which of the following $0.1 \;M$ aqueous solution will have the lowest freezing point ?

asked Aug 5, 2014 by meena.p

1 answer

When mercuric iodide is added to an aqueous solution of potassium iodide the

asked Aug 5, 2014 by meena.p

1 answer

A solution contains 0.1 mol of acetamide in 1 L of glacial acetic acid.When the solution is cooled the first crystals that appeared at the freezing point contain the molecules of

asked Jul 18, 2014 by sreemathi.v

1 answer

The freezing point of equimolal aqueous solutions will be highest for

asked Jul 17, 2014 by sreemathi.v

1 answer

Which of the following 0.1M aqueous solutions will have the lowest freezing point?

asked Jul 17, 2014 by sreemathi.v

1 answer

Depression in freezing points of $0.1\;M$ aqueous solution of $HCl,CuSO_4$ and $K_2SO_4$ are

asked Feb 17, 2014 by sreemathi.v

1 answer

$PtCl_4.6H_2O$ can exist as a hydrated complex. If 1 molal aqueos solution has a depression in freezing point of $3.72^{\large\circ}$,assuming 100% ionization and $K_f$ of $1.86^{\large\circ}mol^{-1}kg$ which of the following is the complex in question?

asked Feb 14, 2014 by sreemathi.v

1 answer

12.2gm of benzonic acid (M=122) in 100gm benzene has depression in freezing point $2.6^{\large\circ}C$; $K_f = 5.2 ^{\circ} mol^{-1}kg$. If there is 100% polymerization, the number of molecules of benzonic acid in associated state is

asked Feb 14, 2014 by sreemathi.v

1 answer