Shiff’s reagent gives pink color with ____________?

Related Mcqs:

1. Grignard reagent gives carboxylic acid with____________?

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

   Submitted by: Muhammad Ali Kunbhar

2. The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?

   A. alkaline aquenous iodine
   B. aqueous bromine
   C. Fehling solution
   D. aqueous NaOH

3. 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

4. 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

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

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

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. 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

8. 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

9. Silver nitrate is used in laboratory as a reagent for the detection and determination of____________?

   A. Alkali metals
   B. Aldehydes
   C. Halides
   D. Ketones

   Submitted by: Muhammad Kamal

10. Lactic acid on oxidation by alkaline potassium permanganate gives:____________?

    A. Propionic acid
    B. Cinnamic acid
    C. Pyruvic acid
    D. Tartaric acid

    Submitted by: Said wali shah