When a small quantity of FeCl_3 solution is added to the fresh precipitate of Fe( OH )_3, a colloidal sol is obtained. The process through which this sol is formed is known as

when a small quantity of fecl3 solution is added to the

When a small quantity of $$FeC{l_3}$$ solution is added to the fresh precipitate of $$Fe{\left( {OH} \right)_3},$$ a colloidal sol is obtained. The process through which this sol is formed is known as

A. exchange of solvent

B. chemical double decomposition

C. peptization

D. electrophoresis

Answer : peptization

Solution :
Peptization involves conversion of freshly prepared precipitate into colloidal particles using a suitable electrolyte.

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Releted Question 1

Rate of physiorption increases with

A. decrease in temperature

B. increase in temperature

C. decrease in pressure

D. decrease in surface area

View Answer

Releted Question 2

Adsorption of gases on solid surface is generally exothermic because

A. enthalpy is positive

B. entropy decreases

C. entropy increases

D. free energy increases

View Answer

Releted Question 3

Lyophilic sols are

A. Irreversible sols

B. They are prepared from inorganic compound

C. Coagulated by adding electrolytes

D. Self-stabilizing

View Answer

Releted Question 4

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

A. $$C{H_3}{\left( {C{H_2}} \right)_{15}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

B. $$C{H_3}{\left( {C{H_2}} \right)_{11}}OSO_3^ - N{a^ + }$$

C. $$C{H_3}{\left( {C{H_2}} \right)_6}CO{O^ - }N{a^ + }$$

D. $$C{H_3}{\left( {C{H_2}} \right)_{11}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

View Answer

When a small quantity of $$FeC{l_3}$$ solution is added to the fresh precipitate of $$Fe{\left( {OH} \right)_3},$$ a colloidal sol is obtained. The process through which this sol is formed is known as

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Rate of physiorption increases with

Adsorption of gases on solid surface is generally exothermic because

Lyophilic sols are

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

Practice More Releted MCQ Question on
Surface Chemistry

Practice More MCQ Question on Chemistry Section

When a small quantity of $$FeC{l_3}$$ solution is added to the fresh precipitate of $$Fe{\left( {OH} \right)_3},$$ a colloidal sol is obtained. The process through which this sol is formed is known as

Releted MCQ Question on Physical Chemistry >> Surface Chemistry

Rate of physiorption increases with

Adsorption of gases on solid surface is generally exothermic because

Lyophilic sols are

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

Practice More Releted MCQ Question on Surface Chemistry

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Practice More Releted MCQ Question on
Surface Chemistry