SN2 reaction can be best carried out with__________________?

Related Mcqs:

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

   A. Water
   B. Hexane
   C. Dimethylflormamide
   D. Ethanol

   Submitted by: Muhammad Ali Kunbhar

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. The best method of preparation of alkyl halides is a reaction of alcohol with__________________?

   A. Zn / HCI
   B. SOCl2 / Pyridine
   C. PCI3
   D. PCI5

4. 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

5. Absolute alcohol is obtained when rectified spirit is treated with__________________?

   A. Ca(OH)2
   B. CaCO3
   C. CaCl2
   D. CaO

6. 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

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

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

8. 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

9. 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

10. Qualitative analysis is carried out for _________________?

    A. identification of elements
    B. estimation of amounts of elements
    C. molar ration of elements
    D. molar volume of elements