Which of the following statements is (are) incorrect ?

Options

A. 0.1 M KCL solution will have the same osmotic pressure as 0.1 M glucose solution.
B. 0.1 M KCI solution will have the same boiling point as 0.1 M urea solution.
C. 0.1 m glucose and 0.1 m urea isotonic.
D. 0.1 m `MgCI_2` solution will have less relative lowering of vapour pressure than 0.1 m NaCI.