Surface ChemistryHard
Question
On addition of one ml solution of 10% NaCl to 10 ml gold sol in the presence of 0.0250 gm of starch the coagulation is just prevented. Starch has the following gold number :
Options
A.0.025
B.0.25
C.2.5
D.25
Solution
Gold number is minimum amount of protective colloid when can protect 10 ml standard gold sol from coagulation when 1 ml of 10% NaCl is added.
Create a free account to view solution
View Solution FreeMore Surface Chemistry Questions
Graph between $\log\left( \frac{x}{m} \right)$ and log P is a straight line at an angle 45° with intercept on y-axis, 0....Which of the following statement is correct with regard to adsorption of a gas on solid surface?...Which property of colloids is not dependent on the charge on colloidal particles?...In the Ostwald’s process for the manufacture of HNO3, the catalyst used is...In Langmuir′s model of adsorption of a gas on a solid surface...