Surface Chemistry questions
622 published questions with worked solutions.
- 20 mL of 0.5 M NaCl is required to coagulate 200 mL of As_2S_3 solution in 2 hours. The coagulating value of NaCl is ___________.Not in JEE Main or NEET syllabus
- The number of statement/s which are the characteristics of physisorption is _________ A. It is highly specific in nature B....Not in JEE Main or NEET syllabus
- Statement I : For colloidal particles, the values of colligative properties are of small order as compared to values shown by...Not in JEE Main or NEET syllabus
- The number of incorrect statement/s from the following is/are__________ A. Water vapours are adsorbed by anhydrous calcium...Not in JEE Main or NEET syllabus
- Which of the following salt solutions would coagulate the colloid solution formed when FeCl_3 is added to NaOH solution, at the...Not in JEE Main or NEET syllabus
- The graph of x m vs log p for an adsorption process is a straight line inclined at an angle of 45° with intercept equal to...Not in JEE Main or NEET syllabus
- Given below are two statements : one is labelled as Assertion(A) and the other is labelled as Reason (R). Assertion (A) : In...Not in JEE Main or NEET syllabus
- Match List-I with List-II. List-I: A. Physisorption B. Chemisorption C. N_2(g)+3H_2(g) Fe(s) 2NH_3(g) D. Analytical Application...Not in JEE Main or NEET syllabus
- Adding surfactants in non polar solvent, the micelles structure will look likeNot in JEE Main or NEET syllabus
- STATEMENT-1 : Micelles are formed by surfactant molecules above the critical micellar concentration (CMC). because STATEMENT-2 :...Not in JEE Main or NEET syllabus
- Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient...Not in JEE Main or NEET syllabus
- Alum helps in purifying water byNot in JEE Main or NEET syllabus
- The formation of gas at the surface of tungsten due to adsorption is the reaction of orderNot in JEE Main or NEET syllabus
- Which one of the following characteristics is not correct for physical adsorption?Not in JEE Main or NEET syllabus
- The volume of a colloidal particle, V_C as compared to the volume of a solute particle in a true solution V_s, could beNot 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
- In Langmuir's model of adsorption of a gas on a solid surfaceNot in JEE Main or NEET syllabus
- 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
- Which of the following statements is incorrect regarding physissorptions ?Not in JEE Main or NEET syllabus
- Adsorption is the phenomenon in which a substanceNot in JEE Main or NEET syllabus
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