Assertion: All colloidal dispersions give very low ormotic pressure and show very small freezing point depression or boiling point elevation.
Reason: Tyndall effect is due to scattering of light from the surface of colloidal particles.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true and the reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.
