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

Related Mcqs:

1. Which is the unit of (K) rate constant for zero order reaction ?

   A. s-1
   B. mol dm-3 s-1
   C. mol-1 dm3 s-1
   D. mol-2 dm6 s-1

2. 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

3. The rate of E1 reaction depends upon______________________?

   A. the concentration of substrate
   B. the concentration of nucleophile
   C. the concentration of substrate as well as nucleophile
   D. base the concentration of substrate as well as nucleophile

4. 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

5. 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

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

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

7. For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?

   A. qp = qv
   B. qp < qv
   C. qp > qv
   D. qp = qv / 2

8. For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

   A. Kc is generally greaer than Kp
   B. Kc is generally less than Kp
   C. Kc is generally equal to Kp
   D. Kc is equal to Kp if the total moles of reactants and products are equal

9. 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

10. 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