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Chemical Kinetics Surface Chemistry Test Online MCQs

Test Name Chemical Kinetics Surface Chemistry Test
Subject Chemistry
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Get Chemical Kinetics Surface Chemistry Test Online multiple choice questions over here to check your intellectual level and increase your knowledge as well. Attempt all the MCQs to prepare for the entrance tests, NEET and AIIMS admission tests, engineering tests, medical tests, competitive tests and recruitment tests.

Chemical Kinetics Surface Chemistry Test Online MCQs


1. for a first order reaction, to obtain a positive slope, we need to plot {where [A] is the concentration of reactant A}


Question 1 of 15

2. The electrical charge on a colloidal particle is observed by


Question 2 of 15

3. The density of gold is 19 g/cm³. If 1.9 x 10⁻⁴ g of gold is dispersed in one liter of water to give a sol having spherical gold particles of radius 10nm, then the number of gold particles per mm³ of the sol will be:


Question 3 of 15

4. The rate constant k, for the reaction N₂O₅(g)2NO₂(g)+1/2 O₂(g) is 1.3 x 10⁻²s⁻¹. Which equation given below describes the change of [N₂O₅] with time? [N₂O₅]₀ and [N₂O₅]t correspond to concentration of N₂O₅ initially and at time t.

(a) [N₂O₅]t= [N₂O₅]₀ + kt

(b) [N₂O₅]₀ = [N₂O₅]t ekt

(c) Log [N₂O₅]t = log [N₂O₅]₀ + kt

(d) In [N₂P₅]₀/[N₂P₅] t = kt

Question 4 of 15

5. Which of the following ions will have the minimum coagulating value for the sol obtained by adding FeC1₃ solution to slight excess of NaOH


Question 5 of 15

6. The physical adsorption of gases on the solid surface is due to:


Question 6 of 15

7. T₅₀ of first –order reaction is 10 min. starting with 10 mol L⁻¹, rate after 20 min is:


Question 7 of 15

8. Which of the following electrolyte will have maximum flocculation value for Fe(OH)₃ sol?


Question 8 of 15

9. The size of colloidal particle is


Question 9 of 15

10. The rate constant for the reaction, 2N₂O₅ 4NO₂ + O₂ is 3.0 x 10⁻⁴ s⁻¹. If start made with 1.0 mol L⁻¹ of N₂O₅, calculate the rate of formation of NO₂ at the moment of the reaction when concentration of O₂ is 0.1 mol L⁻¹.


Question 10 of 15

11. The movement of colloidal particles, under applied electric current is known as:


Question 11 of 15

12. Purple of cassius is colloidal solution of:


Question 12 of 15

13. For the reaction, 2N₂O₅ 4NO₂ + O₂ the rate of reaction is:


Question 13 of 15

14. The rate constant of first order reaction is 3 x 10⁻⁶ per second. The initial concentration is 0.10 M. The initial rate is:


Question 14 of 15

15. A catalyst


Question 15 of 15


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