Ketones and Aldehydes are differentiate by using ______________?

Related Mcqs:

1. Which of the following reagents will react with both aldehydes and ketones ?

   A. Grignard reagent
   B. Tollens reagent
   C. Fehlings reagent
   D. Benedicts reagent

2. Aldehydes and ketones both, show the type of Isomerism is __________?

   A. chain Isomerism
   B. Functional Group Isomerism
   C. Metamerism
   D. Position Isomerism

   Submitted by: Aamir khan Hullio

3. Ketones and aldehydes can be distinguished using ____________?

   A. Bendict solution
   B. Fehling solution
   C. Tollens reagent
   D. None of These

   Submitted by: Safeullah Bullo

4. In Aldehydes and Ketones, carbon of carbonyl group is ____________?

   A. sp³ hybridised
   B. sp² hybridised 
   C. sp hybridised
   D. Unhybridised

   Submitted by: Aamir khan Hullio

5. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink
   B. black
   C. yellow
   D. brick red

6. Which of the following aldehydes shows rapid reaction with sodium nitroprusside ?

   A. formaldehyde
   B. accetaldehyde
   C. benzaldehyde
   D. acetone

7. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink
   B. black
   C. yellow
   D. brick red

8. Which of the following reaction is not shown by ketones ?

   A. reaction with HCN
   B. reaction with NaHSO3
   C. reaction with 2 4 dinitrophenyl hydrazine
   D. reaction with Fehling solution

9. Which of the following reaction is not shown by ketones ?

   A. reaction with HCN
   B. reaction with NaHSO3
   C. reaction with 2 4 dinitrophenyl hydrazine
   D. reaction with Fehling solution

10. 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