Chemistry - Surface Chemistry Question with Solution | TestHub
ChemistrySurface ChemistryMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice
In an experiment, addition of 5.0 mL, of 0.006 M BaCl2to 10.0 mL of arsenic sulphite sol just causes the complete coagulation in 34 h. The flocculating value of the effective ion is :
Options:
Answer:
A
Solution:
As2S3sol is negatively charged owing to preferential adsorption of S2-ions. Cation would be effective ion in coagulation.
Flocculating value = millimole of the effective ion per litre of sol
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Surface ChemistrySubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020
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