Species are formed in one step of reaction mechanism and used up in another step are called:

Related Mcqs:

1. 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

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

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

3. 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

4. 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

5. 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

6. The mechanism by which the genetic information can be duplicated is called_________________?

   A. Duplication
   B. Transcription
   C. Replication
   D. Mutation

7. What is the order of kinetics in the SN1 mechanism ?

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

8. Which alkyl halide out of the following may follow both SN1 and SN2 mechanism ?

   A. CH3-X
   B. (CH3)3 C-CH2 – X
   C. (CH3)2 CH – X
   D. (CH3)3 C – X

9. Which of the following haloalkane is hydrolysed by SN1 mechanism?

   A. CH3Br
   B. CH3CH2Br
   C. CH3CH2CH2Br
   D. (CH3)3CBr

   Submitted by: Muhammad Ali Kunbhar

10. The species which donate two electron pairs in a coordination compound is called__________________?

    A. ligand
    B. mono-dentate ligand
    C. poly-dentate ligand
    D. bi-dentate ligand