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प्रश्न
The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below
(I) (NaCl) = 52
(II) (BaCl2) = 0.69
(III) (MgSO4) = 0.22
The correct order of their coagulating power is:
विकल्प
III > II > I
I > II > III
I > III > II
II > III > I
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उत्तर
III > II > I
Explanation:
coagulating power α `1/"coagulation value"`
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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.
Statement: To stop bleeding from an injury, ferric chloride can be applied. Which comment about the statement is justified?
On which of the following properties does the coagulating power of an ion depend?
Peptising agent is added to convert precipitate into colloidal solution. Explain with an example.
What happens when a colloidal sol of Fe(OH)3 and As2S3 are mixed?
Why are lyophillic colloidal sols are more stable than lyophobic colloidal sol?
Explain any one method for coagulation.
Which one of them is not a surfactant?
Which one of the is not a surfactant?
Which one of the is not a surfactant?
