| Assertion : Aqueous gold colloidal solution is red in colour. |
| Reason : The colour arises due to scattering of light by colloidal gold particles. [AIIMS 2004] |
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 but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
Both assertion and reason are true and reason is the correct explanation of assertion. Scattering of light is the main phenomenon of colloidal particles. In which colloidal particles scatter a particular wavelengths light.
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