Surface Chemistry questions
622 published questions with worked solutions.
- Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10, and 0.005, respectively. The correct order of their...Not in JEE Main or NEET syllabus
- Size of colloidal particles is in the rangeNot in JEE Main or NEET syllabus
- Associated colloid among the following isNot in JEE Main or NEET syllabus
- The precipitate of Fe(OH) _3 in presence of water containing some FeCl _3 becomes colloidal on gentle shaking. This is an example...Not in JEE Main or NEET syllabus
- The disperse phase in colloidal iron(III) hydroxide and colloidal gold is positively and negatively charged, respectively. Which...Not in JEE Main or NEET syllabus
- On addition of 1 mL solution of 10% NaCl to 10 mL gold solution in the presence of 0.025 g of starch, the coagulation is...Not in JEE Main or NEET syllabus
- Gold number is associated withNot in JEE Main or NEET syllabus
- A precipitate is changed to colloidal solution by the following processNot in JEE Main or NEET syllabus
- Which one of the following does not involve coagulation?Not in JEE Main or NEET syllabus
- Statement 1: The activity of a catalyst depends upon the strength of physisorption. Statement 2: The reactant must adsorb very...Not in JEE Main or NEET syllabus
- Statement 1: Aqueous gold colloidal solution is red in colour. Statement 2: The colour arises due to scattering of light by...Not in JEE Main or NEET syllabus
- Statement 1: A colloidal solution of Fe(OH) _3 formed by peptization carries positive charge. Statement 2: During formation of...Not in JEE Main or NEET syllabus
- Statement 1: The molecules on the surface have lesser energy. Statement 2: During adsorption, the surface of a solid is in a...Not in JEE Main or NEET syllabus
- Statement 1: According to Freundlich, x m =K P^ 1/n . Statement 2: The isotherm shows variation of the amount of gas adsorbed by...Not in JEE Main or NEET syllabus
- Statement 1: An emulsion becomes stable if soap is added to it. Statement 2: Soap contains hydrophilic and hydrophobic parts.Not in JEE Main or NEET syllabus
- Statement 1: Colloidal solutions are stable, but colloidal particles do not settle down. Statement 2: Brownian movement counters...Not in JEE Main or NEET syllabus
- For adsorption of a gas on a solid, the plot of x m vs p is linear with slope equal to (n being a whole number)Not in JEE Main or NEET syllabus
- According to Freundlich adsorption isotherm, which of the following is correct?Not in JEE Main or NEET syllabus
- Adsorption is multilayer in the case ofNot in JEE Main or NEET syllabus
- What will be the Freundlich adsorption isotherm equation at high pressure?Not in JEE Main or NEET syllabus
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