Grignard reagent gives carboxylic acid with____________?

Related Mcqs:

1. Grignard reagent is reactive due to___________________?

   A. the presence of halogen atom
   B. the presence of magnesium atom
   C. the polarity of C-Mg bond
   D. all

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

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

3. 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

4. Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?

   A. CO2
   B. Alkane
   C. Ester
   D. Acidamide

5. The complete reduction carboxylic acid results in the formation of________________?

   A. Alkyne
   B. Alkene
   C. Alkane
   D. Alcohol

6. Carboxylic acid on reduction with HI / phosphorous yields_________________?

   A. alkane
   B. alcohols
   C. aldehydes
   D. ketones

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

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

   Submitted by: Said wali shah

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

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

9. Which of the following is an unsaturated carboxylic acid___________________?

   A. malonic acid
   B. oxalic acid
   C. succinic acid
   D. maleic acid

10. The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?

    A. esterification
    B. neutralization
    C. hydrolysis
    D. saponification