Eamcet - Chemistry - Chemical Kinetics Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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The rate constant of a reaction increased by 3 times for every 100C rise of temperature uniformly in the range 200C to 800C, if the rate of constant at 300C is K, what is its value at 600C

  

  

  

  

The decomposition of N2O5 → NO2+NO3 proceeds as a first order reaction, with a half-life period of 30 seconds at a certain temperature.The rate constant of the reaction is

  

  

  

  

An endothermic reaction A→B has an activation energy 15 kCal/mole and energy of the reaction is 5 kCal/mole. The activation energy of the reaction B→A is

  

  

  

  

The rate equation for the reaction A+2B→products is rate=K[A][B]2. If the volume of the vessel is decreased to half of the initial volume the reaction rate bears the following relation to the original rate

  

  

  

  

The rate of gaseous reaction is give by k[A][B].If the volume of reaction vessel is reduced to 1/4 of initial volume the reaction rate relative to the original rate is

  

  

  

  

Assertion (A): the molecularity of reaction is a whole number other than zero , but generally less than 3 Reactions (R): the order of a reaction is always whole number

  

  

  

  

The rate of the reaction at 400C is 5 units.The rate of same reaction at 800C is nearly(temperature coefficient)

  

  

  

  

Which one of the following equation is correct for the reaction N2(g)+3H2(g)→2NH3(g)

  

  

  

  

For a given reaction which one is higher than the rest among the following

  

  

  

  

In a first order reaction,50 minutes time is taken for the completion of 93.75% of a reaction. Half life of the reaction is

  

  

  

  

Increasing the conc. of the reactant by 27 times, the rate increases by 3 times. What is the order of the reaction?

  

  

  

  

Assertion(A): The molecularityof reaction is a whole number other than zero, but generally less than 3. Reason(R): The order of a reaction is always a whole number

  

  

  

  

The experimental data for the reaction 2NO(g)+Cl2(g)→2NOCl(g) are given below Expt [Cl2] [NO] Initial rate 1 0.020 0.010 2.4x10-4 2 0.020 0.030 2.16x10-3 3 0.040 0.030 4.32x10-3 What is the order of the reaction

  

  

  

  

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