Surface Chemistry questions
622 published questions with worked solutions.
- The coagulating power of electrolytes having ions Na^+, Al^ 3+ and Ba^ 2+ for arsenic sulphide sol increases in the order,Not in JEE Main or NEET syllabus
- Flocculation value of BaCl_2 is much less than that of KCl for sol A and flocculation value of Na_2SO_4 is much less than that of...Not in JEE Main or NEET syllabus
- At a given temperature, 0.45 g of acetic acid in 50 mL of water is shaken with 1.0 g of charcoal and the pH of the resulting...Not in JEE Main or NEET syllabus
- 3 g of activated charcoal was added to 50 mL of acetic acid solution (0.06 N) in a flask. After an hour, it was filtered and the...Not in JEE Main or NEET syllabus
- Match the catalysts to the correct process. Catalyst: A. TiCl_3 B. PdCl_2 C. CuCl_2 D. V_2O_5 Process: i. Wacker process ii....Not in JEE Main or NEET syllabus
- The following statements relate to the adsorption of gases on a solid surface. Identify the **incorrect** statement among them:Not in JEE Main or NEET syllabus
- For a linear plot of ( xm ) versus ,p in a Freundlich adsorption isotherm, which of the following statements is correct? (k and n...Not in JEE Main or NEET syllabus
- A particular adsorption process has the following characteristics: (i) It arises due to van der Waals forces and (ii) it is...Not in JEE Main or NEET syllabus
- The most appropriate method of making egg-albumin sol is:Not in JEE Main or NEET syllabus
- Gold numbers of some colloids are Gelatin: 0.005 - 0.01, Gum Arabic: 0.15-0.25, Oleate: 0.04-1.0, Starch: 15-25. Which among the...Not in JEE Main or NEET syllabus
- The Tyndall effect is observed only when the following conditions are satisfied: (i) The diameter of the dispersed particles is...Not in JEE Main or NEET syllabus
- Which gas is adsorbed by charcoal?Not in JEE Main or NEET syllabus
- Spontaneous adsorption of a gas on a solid surface is an exothermic process because **[IIT JEE 2004]**Not in JEE Main or NEET syllabus
- Absorption of gases on a solid surface is generally exothermic becauseNot in JEE Main or NEET syllabus
- Salting out action of soap is based on:Not in JEE Main or NEET syllabus
- The adsorption of hydrogen by metals is calledNot in JEE Main or NEET syllabus
- Decomposition of H_2O_2 is accelerated by:Not in JEE Main or NEET syllabus
- Which can adsorb large volumes of hydrogen gas?Not in JEE Main or NEET syllabus
- Potash alum is used in purification of water because:Not in JEE Main or NEET syllabus
- Alums are used forNot 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