Assertion: Aquenous gold colloidal solution is red in colour.
Reason: The colour ariesedue to scattering of light by colloidal gold 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.
