Question
Explain about dispersion mediu, dispersed phase and example of
- foam,
- emulsion
- sol
| S. No. | Dispersion medium | Dispersed phase | Name of the colloid | Examples |
| 1 | Liquid | Gas | Foam | Whipped cream, Soda water |
| 2 | Liquid | Liquid | Emulsion | Milk, Mayonnaise |
| 3 | Liquid | Solid | Sol | Ink, paint |
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The conductivity of a $0.01 M$ solution of a $1: 1$ weak electrolyte at $298 K$ is $1.5 \times 10^{-4} S cm ^{-1}$
i) molar conductivity of the solution
ii) degree of dissociation and the dissociation constant of the weak electrolyte
Given that
$
\begin{aligned}
& \lambda_{\text {cation }}^{\circ}=248.2 S cm ^2 mol ^{-1} \\
& \lambda_{\text {anion }}^{\circ}=51.8 S cm ^2 mol ^{-1}
\end{aligned}
$
Write the oxidation state, coordination number, nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex $K _4\left[ Mn ( CN )_6\right]$