Question

Which solution will show the maximum vapour pressure at 300 K.

• A. 1 M
• B. 1 M $\mathrm { CH } _ { 3 } \mathrm { COOH }$
• C. 1 M $\mathrm { NaCl } _ { 2 }$
• D. 1 M NaCl

Answer 1

Answer: (A)

1 M

Answer 2

Sucrose will give minimum value of $\Delta P$.

$P _ { s } = P ^ { 0 } - \Delta P$is maximum.