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

Related Mcqs:

1. What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?

   A. Zero
   B. One
   C. Two
   D. Three

2. Energy of activation for backward reaction is less than forward reaction for ___________ reactio?

   A. Endothermic
   B. Exothermic
   C. Moderate
   D. Fast

3. The major steps involved in complete quantitative analysis are _________________?

   A. 2
   B. 3
   C. 4
   D. 5

4. Which sequence of steps is correct for the manufacture of cement ?

   A. crushing heating mixing grinding
   B. crushing mixing heating grinding and mixing
   C. crushing grinding mixing heating
   D. mixing heating grinding crushing

5. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O
   B. ClO2
   C. Cl2O6
   D. Cl2O7

6. Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

   A. Displacement reaction
   B. Double displacement reaction
   C. Disproportionation reaction
   D. Reduction reaction

7. 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

8. 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

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

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

10. 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