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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 Test Help For Chemistry Subject Test. All Jobs and Recruitment tests Prep. BDS and Medical Test Preparation. Engineering Test Prep. B Tech Test preparation.

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.

## Chemistry

1. Which of the following is not a green house gas?

Question 1 of 15

2. Which of the following graphs represent relation between initial concentration of reactants and half-life for third order reaction?

(a) (b) (c) (d) Question 2 of 15

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

Question 3 of 15

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

Question 4 of 15

5. 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 5 of 15

6. Which of the following statement is true for the reaction, H₂ + Br₂ 2HBr The rate law is dx/dt = k[H₂][Br₂]1/2:

Question 6 of 15

7. The first order rate constant for a certain reaction increases from 1.667 x 10⁻⁶ s⁻¹ at 727°C to 1.667 x 10⁻⁴ s⁻¹ at 1571°C. The rate constant at 1150°C, assuming constancy of activation energy over the given temperature range is [Given: log 19.9 = 1.299]

Question 7 of 15

8. 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 8 of 15

9. For reaction aA xP, when [A] = 2.2 mM, the rate was found to be 2.4 mMs⁻. On reducing concentration of A to half, the rate changes to 0.6  mMs⁻. The order of reaction with respect to A is:

Question 9 of 15

10. Lyophilic colloids are stable due to:

Question 10 of 15

11. The colloid is:

Question 11 of 15

12. The size of colloidal particle is

Question 12 of 15

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

Question 13 of 15

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

Question 14 of 15

15. The colligative property is not represented by:

Question 15 of 15

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