Question

Which of the following statement is not correct?

• A. 5% aqueous solution NaCl and KCl are said to be isomolar.
• B. 1 M sucrose solution and 1 M glucose solution are isotonic.
• C. Molecular mass of acetic acid and benzoic acid is higher than normal mass in cryoscopic methods.
• D. For the same solution$\frac{\Delta T_{b}}{\Delta T_{f}} = \frac{k_{b}}{K_{f}}$

Answer 1

Answer: (A)

5% aqueous solution NaCl and KCl are said to be

isomolar.

Answer 2

Both NaCl and KCl have different molecular masses.