Grignard reagent is reactive due to___________________?

Related Mcqs:

1. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

   A. formaldehyde
   B. acetaldehyde
   C. propanone
   D. carbondioxide

2. Hydrocarbon is formed when Grignard reagent is treated with___________?

   A. H2O
   B. CH3OH
   C. Both a and b
   D. None of the above

   Submitted by: Muhammad Ali Kunbhar

3. Grignard reagent gives carboxylic acid with____________?

   A. CO2
   B. CH3CHO
   C. COC2
   D. HCN

   Submitted by: Muhammad Ali Kunbhar

4. Ketones are comparatively less reactive than aldehdye. It is due to_______________?

   A. alkyl groups are electron donating
   B. steric hindrance
   C. Both A and B
   D. none

5. Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?

   A. formaldehyde
   B. ketone
   C. ethylene epoxide
   D. both A & C

6. Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?

   A. primary alcohol
   B. secondary alcohol
   C. tertiary alcohol
   D. dihydric alcohol

7. 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

8. Which of the following compounds will react with Tollens reagent ?

   A. CH3-CHO
   B. CH3-CH-CH3
   C. CH3-COOH
   D. CH3-CO-CH2-CH3

9. The reaction of Lucas reagent is the fastest with_________?

   A. (CH3)2CHOH
   B. CH3(CH2)OH
   C. CH3CH2OH
   D. (CH3)3COH

   Submitted by: Muhammad Ali Kunbhar

10. Shiff’s reagent gives pink color with ____________?

    A. Acetone
    B. Acetaldehyde
    C. Acetic acid
    D. Methyl acetate

    Submitted by: Said wali shah