Assertion (A): The osmotic pressure of `0.1 M` urea solution is less than `0.1 M NaCl` solution.
Reason (R ): Osmotic pressure is not a colligative property.
A. If both `(A)` and `(R )` are correct, and `(R )` is the correct explanation of `(A)`.
B. If both `(A)` and `(R )` are correct, but `(R )` is not the correct explanation of `(A)`.
C. If `(A)` is correct, but `(R )` is incorrect.
D. If `(A)` is correct, but `(R )` is correct.
