Chemistry - Surface Chemistry Question with Solution | TestHub

ChemistrySurface ChemistryGeneralEasy2 minPYQ_2020

ChemistryEasysingle choice

For coagulation of Arsenious sulphide sol, which one of the following salt solution will be most effective

Options:

Answer:

Solution:

Arsenious sulphide is -ve charged colloid. Hence, cation having maximum positive charge will be most effective for coagulation. (Hardy Schulz rule)
$A l^{3 +} > B a^{2 +} > N a^{+}$ (coagulating power)

Stream:NTA_ABHYASSubject:ChemistryTopic:Surface ChemistrySubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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