Single Choice

Which of the follwoing can stabilize gold sol from coagulation by NaCl

A$$ Fe(OH)_{3} $$
BGelatin
Correct Answer
C$$ As_{2}S_{3} $$
DNone of these

Solution

Gelatin is a Lyophilic sol and when it is added to gold sol which is lyophobic sol it acts as a stabilizing agent by protecting the colloid.

SIMILAR QUESTIONS

Surface Chemistry

Choose the correct reason(s) for the stability of the lyophobic colloidal particles.

Surface Chemistry

Identify the correct statement.

Surface Chemistry

Which are correct regarding stability of solution?

Surface Chemistry

A freshly prepared $$Fe(OH)_{3}$$ precipitate is peptized by adding $$FeCl_{3}$$ solution. The charge on the colloidal particle is due to preferential absorption of

Surface Chemistry

What is the minimum diameter (in nm) of colloidal particles?

Surface Chemistry

How would you obtain a sol of Agl , the particles of which migrate toward cathode under the electric filed?

Surface Chemistry

A negatively charged suspension of clay in water will need for precipitation the minimum amount of :

Surface Chemistry

The charge on colloidal particles is due to

Surface Chemistry

Lyophilic sols are more stable than lyophobic sols because

Surface Chemistry

Which of the following is contributed towards the extra stability of lyophilic colloids

Contact Details