JEE Main 2022 (26 Jul, Shift 2) Chemistry Q65: Colloids

Question

Given below are two statements: one is labelled as **Assertion A** and the other is labelled as **Reason R**.

**Assertion A:** Finest gold is red in colour, as the size of the particles increases, it appears purple then blue and finally gold.

**Reason R:** The colour of the colloidal solution depends on the wavelength of light scattered by the dispersed particles.

In the light of the above statements, choose the *most appropprate* answer from the options given below.

Accepted Answer

Option 1: Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$.

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$.

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true but $\mathbf{R}$ is NOT the correct explanation of $\mathbf{A}$.

Answer

$\mathbf{A}$ is true but $\mathbf{R}$ is false.

Answer

$\mathbf{A}$ is false but $\mathbf{R}$ is true.

JEE Main 26 July 2022, Shift 2, Chemistry Q65