Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
MCQ
$\mathrm{Fe}(\mathrm{OH})_3$ sol is:
A
Macro molecular colloid.
✓
Multi molecular colloid.
C
Micelles.
D
Negative colloid.
✓
Answer
Correct option: B.
Multi molecular colloid.
When a large number of atoms of a substance combine in a dispersion medium having size in the colloidal, the filmed solutions are called multimolecular colloids.
Sulphur solution consists of particles containing about a thousands of $S_8$ molecules$. \ce{Fe(OH)_3}$ is a multimolecular colloids.
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