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प्रश्न
The most effective electrolyte for the coagulation of As2S3 Sol is ____________.
पर्याय
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.
Which one of the following is correctly matched?
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?
Comment on the statement:
Colloid is not a substance but it is a state of substance.
Write a note on electro osmosis.
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?
