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

Related Mcqs:

1. In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

   A. two
   B. three
   C. one
   D. four

2. Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?

   A. they have an electrophilic carbon
   B. they have an electrophilic carbon & a good leaving group
   C. they have an electrophilic carbon & a bad leaving group
   D. they have a nucleophilic carbon & a good leaving group

3. Alkyl halides undergo a type of reaction_________________?

   A. Nucleophilic substitution
   B. Nucleophilic addition
   C. Elimination
   D. both A & C

4. Which alkyl halide has the highest reactivity for a particular alkyl group ?

   A. R-F
   B. R-C
   C. R-Br
   D. R-I

5. Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?

   A. Dows process
   B. Friedel & Craft acylation
   C. Friedel & Craft alkylation
   D. Clemmenson reduction

6. When alcohol reacts with phosphorous halides it geive____________________?

   A. alkyl halides
   B. alkyl amine
   C. alkanes
   D. alkynes

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

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

8. Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

   A. Covalent halides
   B. Electronegative halides
   C. Polymeric halides
   D. Polymeric hydrides

9. 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

10. SN2 reaction can be best carried out with__________________?

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