Chemical Kinetics and Nuclear ChemistryHard
Question
Which of the following statement is incorrect?
Options
A.The conductivity of a soap solution decreases sharply at CMC.
B.Tyndall effect is more effective in gold sol in comparison to the rubber
C.The elevation in boiling point of an alcoholic solution of sulphur is less than that of its sol in water if mass of sulphur present per unit volume of mixture is same in both cases.
D.CMC value of CH3(CH2)9NH3Cl will be less than that of CH3(CH2)6COONa.
Solution
(a) It is due to sharp decrease in number of ions.
(b) Tyndall e ect is better shown by lyophobic colloid.
(c) Colloidal solutions have lower value of colligative properties.
(d) Larger the carbon chain, normally lower CMC value.
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