Column - I and Column - II contains four emtries each. Entries of Column -I are to be matched with some entries of Column - II . One or more than one entries of Column -I may have the matching with the same entries of Column - II. {:("column-I","column-II"),((A) As_(2)S_(3) "sol" ,"(P) Lyophobic colloid"),("(B) sulphur sol ",(Q) " Macromolecualr colloid"),("(C) starch","(R) Multimolecular colloid "),("(D)Soap","(S) Associated colloid "):}
Arrange the following electrolytes in the increasing order of coagulation power for the coagulation of As_(2)S_(3) sol : K_(2)SO_(4) " " CaCl_(2)" " Na_(3)PO_(4) " " AlCl_(3) : Ilt II lt IIIlt IV , I=III lt II lt IV , II lt IV lt I lt II , II lt III lt IV lt I .
STATEMENT-1 : In the balanced redox reaction, x As_(2)S_(3)+y NO_(3)^(-)+4H_(2)Orarr aAsO_(4)^(3-)+bNO+cSO_(4)^(2-)+8H^(+) the n-factor of As_(2)S_(3) and NO_(3)^(-) is 28 and 3 respectively. Statement-2 : Molar ratio is reciprocal of n-factor's ratio so x : y is 3 : 28 .
Which of the following electrolyte requires maximum concentration to cause coagulation of As_2S_3 sol ?
During electro-osmosis of Fe(OH)_(3) sol a. Sol particles move towards anode b. Sol particles move towards cathode c. The dispersion medium move towards anode d. The sol particles do not move in either direction
If S_(1),S_(2),S_(3) be respectively the sum of n, 2n and 3n terms of a GP, then (S_(1)(S_(3)-S_(2)))/((S_(2)-S_(1))^(2)) is equal to
The best coagulant for the precipitation of Fe(OH)_3 sol is
Under the influemce of an electric field, the particles in a sol migrate towards cathode. The coagulation of the same sol is studied using NaCl,Na_(2)SO_(4) , and Na_(3)PO_(4) solutions. Their coagulation values will in the order a. NaClgtNa_(2)SO_(4)gtNa_(3)PO_(4) b. Na_(2)SO_(4)gtNa_(3)PO_(4)gtNaCl c. Na_(3)PO_(4)gtNa_(2)SO_(4)gtNaCl d. Na_(2)SO_(4)gtNaClgtNa_(3)PO_(4)
