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Chemistry - Surface Chemistry

Practise 48 NTA Abhyas (JEE Main) questions on Surface Chemistry. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Surface Chemistry has been asked in 0 of the 24 years of NTA Abhyas (JEE Main) papers analysed (2002–2025), with 48 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2025, with 0 questions that year. In the last three years (2023–2025) it had 0 questions across 63 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1Which one is not correct according to Langmuir adsorption isotherm at very high pressure?
  2. 2Which statement is correct about chemisorptions?
  3. 3100 mL of 0 .3 M acetic acid is shaken with 0 .8 g wood charcoal. The final concentration of acetic acid in the solution after adsorption is
  4. 4Chemisorption
  5. 5Rate of reaction (r) is plotted against temperature (T) for an enzyme catalysed reaction. Which of the following is correct representation?
  6. 6The best electrolyte for coagulating A s 2 S 3 sol is
  7. 7Which of the following is not an example of heterogeneous catalysis?
  8. 8The plots of the extent of adsorption (x/m) Vs pressure at different temperature are as follows; The correct order of increasing temp for cu
  9. 9Which of the plots is adsorption isobar for chemisorption?
  10. 10Plot of log x/m against log p is a straight line inclined at an angle of 45 ° . When the pressure is 0.5 atm and Freundlich parameter, k is
  11. 11A s 2 S 3 and T i O 2 sol are examples of
  12. 12Which of the following statements are correct about zeolite? 1 . Zeolites are aluminosilicates having three dimensional network 2 . Shape se
  13. 13A graph is plotted between log (x/m) and log P according to the equation x m = k P 1 n . Which of the following statements about this graph
  14. 14Graph between log ⁡ x m and log P is straight line at angle of 45 ° with the intercept of 0.6020. The extent of adsorption x m at a pressure
  15. 15Which of the following electrolytes will have maximum coagulating value for A g I A g + sol?
  16. 16In the Freundlich adsorption isotherm, the value of 1 n is between 0 and -----.
  17. 17Among the following surfactant molecules, the surfactant that forms micelles in aqueous solution at the lower CMC at ambient condition is
  18. 18The degree of adsorption of solution on solid surface depends on concentration of solution x m = K C 1 n In which of the conditions, we get
  19. 19For adsorption of a gas on a solid, the plot of log ⁡ x m vs log P is linear with slope equal to (n being whole number)
  20. 20Which of the following option is correct for given curve?
  21. 21The coagulation values in millimoles per litre of the electrolytes used for coagulation of A s 2 S 2 are given below. I. N a C l = 52 II. B
  22. 22The correct option among the following is
  23. 23Which of the following statements about physical adsorption is not correct?
  24. 24Which of the following is less than zero during adsorption?
  25. 25The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged, respectively. Which of the fol
  26. 265 ml of A s 2 S 3 is mixed with distilled waterand 0 .01 M solution of an electrolyte AB so that total volume is 10 ml . it was found that a
  27. 27A catalyst adsorb 100 mL of nitrogen gas at S.T.P. per gram of catalyst surface and forms a mono-molecular layer. The effective surface area
  28. 28Select the correct adsorption isobars for chemisorptions and physisorption respectively (Here, x m degree of adsorption)
  29. 29Adsorption of gases on solid surface is generally exothermic because
  30. 30According to Langmuir adsorption isotherm, the amount of gas adsorbed at very high pressure
  31. 3110 mL of 1 mM surfactant solution forms a monolayer covering 0 . 24 c m 2 on a polar substrate. If the polar head is approximated as cube, w
  32. 32The gold numbers of a few protective colloids are (A) Starch = 25 (B) Gelatin = 0.005 - 0.01 (C) Hemoglobin = 0.03 (D) ​Dextrin = 6 - 123. W
  33. 33Colloidal sulphur is obtained when
  34. 34Graph between log ⁡ x m v s log ⁡ P is provided for adsorption of N H 3 gas on metal surface. Calculate weight of N H 3 gas (in gm) absorbed
  35. 35The qualitative sketches I, II and III given below show the variation of surface tension with molar concentration of three different aqueous
  36. 36Which of the following sols is negatively charged?
  37. 37How physical adsorption will be effected by increase in temperature
  38. 38Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, x is the mass of the gas adsorbed on mass m of the adsorbent
  39. 39Which of the following set is having correct statements for enzyme catalysis? 1 . Each enzyme is specific for a given reaction 2 . The enzym
  40. 40Select correct adsorption isobars for physisorption and chemisorption respectively (where x m = extent of adsorption, T = temperature)
  41. 41Bleeding is stopped by the application of ferric chloride. This is because:
  42. 42The critical micelle concentration CMC of a cationic colloidal electrolyte is 10 - 3 M . If 1 mm 3 contains 10 13 micelles, the number of ca
  43. 43The flocculating power of the given ions for the specified colloidal sols will be such that
  44. 44Which of the following statements is correct for a lyophilic sol?
  45. 45Among the following, the surface that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is:
  46. 46The coagulation of 10 cm 3 of Gold sol by 1 ml 10% NaCl solution is completely prevented by addition of 0.25 g of starch to it. The gold num
  47. 47For coagulation of Arsenious sulphide sol, which one of the following salt solution will be most effective
  48. 48Rate of physisorption increases with

Frequently Asked Questions

1.How many questions are available for Surface Chemistry?

This chapter includes 48 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

These are NTA Abhyas (JEE Main) questions specifically for the Surface Chemistry chapter. Questions from other exams like JEE Main or JEE Advanced are organised separately under their respective exam sections.

3.What is the difficulty level of Surface Chemistry questions in NTA Abhyas (JEE Main)?

Of the 48 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2025 had the most, with 0 questions.

4.Which topics in Surface Chemistry should I focus on?

All of this chapter's questions come from a single topic: Uncategorized.