Which of the following solvents would best facilitate an SN2 substitution reaction?

Related Mcqs:

1. SN2 reaction can be best carried out with__________________?

   A. primary alkyl halide
   B. secondary alkyl halide
   C. tertiary alkyl halide
   D. all

2. 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

3. Product of Nucleophilic Substitution Uni Molecular reaction is in case of chiral substrate?

   A. Inversion
   B. Retention
   C. Recemic Mixture
   D. Stereospecific

   Submitted by: Safeullah Bullo

4. The solvent or mixture of solvents used for separation of compounds is called____________________?

   A. Stationary phase
   B. Mobile phase
   C. Dynamic phase
   D. Static phase

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

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

9. 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

10. Which of the following reaction is not shown by ketones ?

    A. reaction with HCN
    B. reaction with NaHSO3
    C. reaction with 2 4 dinitrophenyl hydrazine
    D. reaction with Fehling solution