Single Choice

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

AAluminium chloride
Correct Answer
BPotassium sulphate
CSodium hydroxide
DHydrochloric acid

Solution

Negatively charged sols require minimum amount of electrolyte having higher valence of cation.

Option A is correct.

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

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

Surface Chemistry

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

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