Reaction Kinetics test 7

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A test from chapter 11 i.e Reaction Kinetics chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. In zero order reaction, the rate is independent of

A) temperature of reaction
B) concentration of reactiants
C) concentration of products
D) none

2. If the rate equation of a reaction 2A + B ® Product, Rate = k [A]2 [B] and A is present in large excess then order of reaction is:

A) 1
B) 2
C) 3
D) none

3. The rate of reaction

A) increases as the reaction proceeds
B) decreases as the reaction proceeds
C) remains the same as the reaction proceeds
D) may decrease or increase as the reaction proceeds

4. With increases of 10 oC temperature the rate of reaction doubles. This increase in the rate of reaction is due to

A) decrease in activation energy of reaction
B) decrease in the number of collisions b/w reactants molecules
C) increase in activation energy of reactants
D) increase in number of effective collisions

5. The unit of the rate constant is the same as that of the rate of reaction in

A) fisrt order reaction
B) second order reaction
C) zero order reaction
D) third order reaction

6. The unit of reaction is

A) mole/dm^3
B) mole/pound
C) mole/dm^3sec
D) mole/cm^3

7. In the rate equation, when the conc. of reactants is unity then rate is equal to

A) specific rate constant
B) average rate constant
C) instantaneous rate constant
D) none

8. The rate of reaction between two specific time intervals is called

A) instantaneous rate
B) average rate
C) specific rate
D) ordinary rate

9. Instantaneous rate of a chemical reaction is

A) rate of reaction in the beginning
B) rate of reaction at the end
C) rate of reaction at a given instant
D) rate of reaction b/w two specific time intervals

10. At the beginning the decrease in the conc. of reactants is

A) slow
B) moderate
C) rapid
D) none