5.23 Explain what is observed (i) When a beam of light is passed through a colloidal sol. (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. electric current is passed through a colloidal sol?
5.23 Explain what is observed (i) When a beam of light is passed through a colloidal sol. (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. electric current is passed through a colloidal sol?
5.23
(i) In this case Tyndall effect is observed i.e. scattering of light by the colloidal particles takes place and the path of light become visible.
(ii) The coagulation takes place in this case positive charge particles of Fe (OH)2 gets attached with Cl-. And of FeCl3 is obtained.
(iii) In this
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Chemistry Ncert Solutions Class 12th 2023
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