Column-1 | Column-2 | Column-3 | |||
(I) | Positively charged colloid | (i) | Can be coagulated by adding metal sulphide sol | (P) | During electrophoresis coagulation will take place at anode |
(II) | Negatively charged colloid | (ii) | Can be coagulated by adding metal oxide sol | (Q) | During electro-osmosis level of dispersion medium will increase on anode side. |
(III) | Can be prepared by Bredig’s Arc method | (iii) | Coagulation value of Na2SO4 > MgCl2 for this colloid | (R) | During Electro-phoresis coagulation will take place at cathode. |
(IV) | Can be prepared by peptisation | (iv) | Coagulating power of MgSO4 > NaCl for this colloid. | (S) | During electro-osmosis level of dispersion medium will increase on cathode side. |
(i) Select the only incorrect option for AgI / I – sol.
Text Solution
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(i)d (ii)b (iii)d
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