The rate of reaction___________________?

Related Mcqs:

1. The unit of the rate constant (k) is same as that of rate of reaction________________?

   A. First order reaction
   B. Second order reaction
   C. Zero order reaction
   D. Third order reaction

2. The specific rate constant of a first order reaction depends on the________________?

   A. Time
   B. Concentration of the reactant
   C. Temperature
   D. Concentration of the product

3. Unit of rate of reaction is_________________?

   A. Moles dm-3 sec-1
   B. Moles dm-3
   C. Moles sec-1
   D. Mol-1 dm3 sec-1

4. Rate of disappearance of reactant is equal to_________________?

   A. Rate of reaction
   B. Rate of formation of product
   C. Energy released during reaction
   D. A and B

5. Which of the following will have very high rate of reaction ?

   A. Double decomposition reaction
   B. Neutralization reaction
   C. Ionic reactions
   D. all of above

6. Anything which increases rate of reaction without being involved in the reaction________________?

   A. Promoter
   B. Catalyst
   C. Inhibitor
   D. All of the above

7. When the reaction completes in more than one steps rate of reaction will be determined by________________?

   A. Fast step
   B. Slowest step
   C. All steps
   D. Molecularity of the reaction

8. On increasing the temperature the rate of reaction increases mainly because_________________?

   A. The activation energy of the reaction increases
   B. Concentration of the reacting molecules increases
   C. Collision frequency increases
   D. None of these

9. In rate expression the concentration of reactants is negative. It shows_______________?

   A. Concentration of reactant does not change
   B. Concentration of product increases
   C. Concentration of reactant decreases
   D. Concentration of reactant increases

10. Rate of reaction when concentration of reactants are taken as unity is called_________________?

    A. Arrhenius constant
    B. Molecularity
    C. Specific rate constant
    D. Ideal rate constant