Aldehydes, Ketones & Carboxylic Acids Test Online MCQs

1. Aldol condensation does not take place is:

2. 3-Hydroxybutanal is formed when X reacts with Y in dilute Z solution. What are X, Y and Z?

            X                                              Y                                        Z

(a) CH₃CHO                              (CH₃)₂CO                            NaOH

(b) CH₃CHO                              CH₃CHO,                             NaCl

(c) (CH₃)₂CO,                            (CH₃)₂CO,                            HCl

(d) CH₃CHO,                             CH₃CHO,                           NaOH

3. Reduction of benzoyl chloride with Pd and BaSO₄ gives:

4. Acetaldehyde does not respond to

5. In the Cannizzaro reaction the intermediate that will be the best hydride donor is

6. The product obtained is/are:

(a) o-product

(b) m-product

(c) o- and p-products

(d) o-, m- and p-products

7. Salo is:

8. Benzoic acid is treated with lithium aluminium hydride. The compound obtained is

9. Isopropylbenzene on air oxidation in the presence of dilute acid gives.

10. The compound most suitable for the preparation of cyanohydrins is:

11. o-Toluic acid on reaction with Br₂ + Fe gives

12. CH₃COCH₃ can be converted to CH₃CH₂CH₃ by the action of

13. 2CH₃COOC₂H₅ CH₃COCH₂COOC₂H₅ The above reaction is known as:

14. The regent used for the separation of acetaldehyde from acetophenone is

15. Which produces ketone on treatment with Grignard reagent?