1.

Under the influence of an electric field, the particles in a sol migrate towards cathode. The coagulation of the same sol is studied using NaCl,N_2a_4S andN_3a_4P solutions. Their coagulating values will be in the order :

Answer»

`N_2a_4S`
`N_2a_4p_3S`
`N_3a_4P`
`N_(24)a_3 S`

Solution :SINCE the SOL particles migrate towards CATHODE, they are positively charged. HENCE, anions would be effective in coagulation. Greater is the valence of effective ion, smaller will be its coagulating value.


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