Rate of enzymatic reaction is directly proportional to the concentration of___________________?

Related Mcqs:

1. For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?

   A. Single
   B. Square
   C. Cube
   D. Raise to power four

2. 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

3. The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?

   A. concentrated
   B. dilute
   C. saturated solution
   D. all of the above

4. Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

   A. Charles’ Law
   B. Avogadro’s Law
   C. Graham’s Law
   D. Boyle’s law

   Submitted by: Malik Asghar Hussain

5. 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

6. 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

7. At start of reaction the concentration of reactants is_______________?

   A. high
   B. low
   C. according to Kc
   D. constant

8. Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

   A. Graham’s Law
   B. Gay-Lussac’s law
   C. Boyle’s law
   D. None of these

   Submitted by: Malik Asghar Hussain

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. 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