277342
Assertion : If a liquid solute more volatile than the solvent is added to the solvent, the vapour pressure of the solution may increase i.e., $\mathbf{p}_{\mathbf{s}}>\mathbf{p}^{\circ}$.
Reason: In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.
277346 The vapour pressure of pure benzene at certain temperature is a 1 bar. A non-volatile, non electrolyte solid weighing $2 \mathrm{~g}$ when added to 39 $\mathrm{g}$ of benzene (molar mass $78 \mathrm{~g} \mathrm{~mol}^{-1}$ ) yields solution of vapour pressure of 0.8 bar, The molar mass of solid substance is
277342
Assertion : If a liquid solute more volatile than the solvent is added to the solvent, the vapour pressure of the solution may increase i.e., $\mathbf{p}_{\mathbf{s}}>\mathbf{p}^{\circ}$.
Reason: In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.
277346 The vapour pressure of pure benzene at certain temperature is a 1 bar. A non-volatile, non electrolyte solid weighing $2 \mathrm{~g}$ when added to 39 $\mathrm{g}$ of benzene (molar mass $78 \mathrm{~g} \mathrm{~mol}^{-1}$ ) yields solution of vapour pressure of 0.8 bar, The molar mass of solid substance is
277342
Assertion : If a liquid solute more volatile than the solvent is added to the solvent, the vapour pressure of the solution may increase i.e., $\mathbf{p}_{\mathbf{s}}>\mathbf{p}^{\circ}$.
Reason: In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.
277346 The vapour pressure of pure benzene at certain temperature is a 1 bar. A non-volatile, non electrolyte solid weighing $2 \mathrm{~g}$ when added to 39 $\mathrm{g}$ of benzene (molar mass $78 \mathrm{~g} \mathrm{~mol}^{-1}$ ) yields solution of vapour pressure of 0.8 bar, The molar mass of solid substance is
277342
Assertion : If a liquid solute more volatile than the solvent is added to the solvent, the vapour pressure of the solution may increase i.e., $\mathbf{p}_{\mathbf{s}}>\mathbf{p}^{\circ}$.
Reason: In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.
277346 The vapour pressure of pure benzene at certain temperature is a 1 bar. A non-volatile, non electrolyte solid weighing $2 \mathrm{~g}$ when added to 39 $\mathrm{g}$ of benzene (molar mass $78 \mathrm{~g} \mathrm{~mol}^{-1}$ ) yields solution of vapour pressure of 0.8 bar, The molar mass of solid substance is