At a certain temperature, the value of the slope of the plot of osmotic pressure (π) against concentration (C. in mol L -1 ) of a certain polymer solution is 291 R. The temperature at which osmotic pressure is measured, is (R is gas constant)

Question

At a certain temperature, the value of the slope of the plot of osmotic pressure (π) against concentration (C. in mol L -1 ) of a certain polymer solution is 291 R. The temperature at which osmotic pressure is measured, is (R is gas constant) (A) 271° C (B) 18° C (C) 564 K (D) 18 K

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/2326593cc7c6f073531fefbc17646219-.png" /> Slope, R T=291 R or T=291 K ∴ Temperature =291-273=18° C

Q. At a certain temperature, the value of the slope of the plot of osmotic pressure $(π)$ against concentration $(C$ in $m o l L^{- 1}$ ) of a certain polymer solution is $291 R$ . The temperature at which osmotic pressure is measured, is $(R$ is gas constant)

$27 1^{\circ} C$

$1 8^{\circ} C$

$564 K$

$18 K$

Slope, $RT = 291 R$ or $T = 291 K$
$∴$ Temperature $= 291 - 273 = 1 8^{\circ} C$

Q. At a certain temperature, the value of the slope of the plot of osmotic pressure (π) against concentration (C in molL−1 ) of a certain polymer solution is 291R. The temperature at which osmotic pressure is measured, is (R is gas constant)

271∘C

18∘C

564K

18K