Seema Saini Solutions for Chapter: Solutions, Exercise 5: DPP 2.5

Insulin ${\left({\mathrm{C}}_2{\mathrm{H}}_{10}{\mathrm{O}}_5\right)}_{\mathrm{n}}$ is dissolved in a suitable solvent and the osmotic pressure ($\mathrm{\pi }$) of solutions of various concentrations $\mathrm{C}\left(\mathrm{in} \mathrm{g}/{\mathrm{cm}}^3\right)$ is measured at $20°\mathrm{C}$. The slope of a plot of $\mathrm{\pi }$ against$\mathrm{C}$ is found to be $4.65\times {10}^{-3}$. The molar mass of the insulin is

What is the osmolarity of a $0.20 \mathrm{M}$ $\mathrm{KCl}$solution?

Study the following figure and choose the correct option.

Study the figure given below and pick out the correct options of the following.

In which of the following solutions, ${\mathrm{Cu}}_{2 }\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$ permits the solvent molecules to pass through?

Which statement(s) is/are correct about osmotic pressure ($\mathrm{P}$), volume ($\mathrm{V}$) and temperature ($\mathrm{T}$)?

The slope of $\mathrm{\pi }$ vs $\mathrm{C}$ was made against insulin concentration $\left(\mathrm{C}\right)$ in $\mathrm{g} {\mathrm{mL}}^{-1}$ and temperature $27°\mathrm{C}$. If $\mathrm{C}$ is in $\mathrm{g} {\mathrm{mL}}^{-1}$  and the slope of line obtained is $4.65\times {10}^{-3} \mathrm{g}/\mathrm{mL}$, which of the following are not the molar mass (in $\mathrm{g} {\mathrm{mol}}^{-1}$) of insulin?

A graph showing the variation of osmotic pressure $\left(\mathrm{\pi }\right)$ versus molar concentration $\left(\mathrm{C}\right)$ of an aqueous solution at temperature $\mathrm{T}$ is given below.

The slope of the line doesn't represent