Surface Chemistry questions
622 published questions with worked solutions.
- In which of the following reactions are colloids not prepared by the double decomposition method?Not in JEE Main or NEET syllabus
- The coagulation of 10 cm³ of gold sol is completely prevented by addition of 0.025 g of starch to it. The gold number of starch isNot in JEE Main or NEET syllabus
- Statement 1: For the coagulation of sols carrying a positive charge, PO _4^ 3- ions are more efficient than SO _4^ 2- or Cl ^-...Not in JEE Main or NEET syllabus
- Pd can adsorb, in the space between its atoms, 900 times its own volume of hydrogen. This process is calledNot in JEE Main or NEET syllabus
- Catalysts are generally used in a finely divided state becauseNot in JEE Main or NEET syllabus
- When adsorption of oxalic acid is carried out on activated charcoal, the activated charcoal is known asNot in JEE Main or NEET syllabus
- Which is adsorbed to the maximum extent by activated charcoal?Not in JEE Main or NEET syllabus
- In an experiment, addition of 5.0 mL of 0.006 M BaCl _2 to 10.0 mL of arsenic sulphide sol just causes complete coagulation in 34...Not in JEE Main or NEET syllabus
- From the given sols, how many can coagulate the haemoglobin sol? Fe(OH) _3, Ca(OH) _2, Al(OH) _3, starch, clay, As _2 S _3, CdS,...Not in JEE Main or NEET syllabus
- For the coagulation of 500 mL of arsenious sulphide sol, 2 mL of 1 M NaCl is required. What is the flocculation value of NaCl (in...Not in JEE Main or NEET syllabus
- From the given sols, how many can coagulate silicic acid sol? Fe(OH) _3, Ca(OH) _2, Al(OH) _3, starch, clay, As _2 S _3, CdS,...Not in JEE Main or NEET syllabus
- The gold number of gelatin is 0.01. Calculate the amount of gelatin (in mg) to be added to 1000 mL of a colloidal sol of gold to...Not in JEE Main or NEET syllabus
- The coagulation of 100 mL of a colloidal sol of gold is completely prevented by addition of 0.03 g of haemoglobin to it before...Not in JEE Main or NEET syllabus
- In an adsorption experiment, a graph between (x/m) versus P was found to be linear with a slope of 45°. The intercept on the...Not in JEE Main or NEET syllabus
- 526.3 mL of 0.5 m HCl is shaken with 0.5 g of activated charcoal and filtered. The concentration of the filtrate is reduced to...Not in JEE Main or NEET syllabus
- The decomposition of H _2 O _2 may be checked by adding a small quantity of phosphoric acid. This is an example of:Not in JEE Main or NEET syllabus
- In Freundlich Adsorption isotherm, the value of 1/n is:Not in JEE Main or NEET syllabus
- A dilute solution of litmus becomes colourless on shaking with charcoal. This is due to:Not in JEE Main or NEET syllabus
- Which of the following types of catalysis can be explained by the adsorption theory?Not in JEE Main or NEET syllabus
- Protons accelerate the hydrolysis of esters. This is an example of:Not in JEE Main or NEET syllabus
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration