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...