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प्रश्न
The most effective electrolyte for the coagulation of As2S3 Sol is ____________.
विकल्प
NaCl
Ba(NO3)2
K3[Fe(CN)6]
AI3+
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उत्तर
The most effective electrolyte for the coagulation of As2S3 Sol is AI3+.
Explanation:
As2S3 is a vely charged colloid. It will be most effectively coagulated by the cation with greater valency. i.e., Al3+.
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संबंधित प्रश्न
Assertion: Coagulation power of Al3+ is more than Na+.
Reason: greater the valency of the flocculating ion added, greater is its power to cause precipitation.
In an electrical field, the particles of a colloidal system move towards the cathode. The coagulation of the same sol is studied using
I. K2SO4
II. Na3PO4
III. K4[Fe(CN)6]
IV. NaCI
Their coagulating power should be
On which of the following properties does the coagulating power of an ion depend?
What is the difference between sol and gel?
Why does the bleeding stop by rubbing moist alum?
Explain any one method for coagulation.
Which one of the is not a surfactant?
Which one of the is not a surfactant?
Which one of the is not a surfactant?
Which one of the is not a surfactant?
