Chemistry

1. Acetaldehyde does not respond to

Tollen’s test

Benedict’s test

Iodoform test

Lucas test

Question 1 of 15

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

Question 2 of 15

3. Which of the following compound is formed when CH₂ = CH(CH₂)₂ COOH reacts with HBr?

CH₃CHBrCH₂CH₂COOH

CH₃CH₂CH₂BrCH₂COOH

CH₂BrCH₂(CH₂)₂COOH

CH₃CH₂CH₂CH₂BrCOOH

Question 3 of 15

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

Benzaldehyde

Benzyl alcohol

Toluene

Benzene

Question 4 of 15

5. (CH₃)₃ C – CHO does not undergo aldol condensation due to

Bulky (CH₃)₃ C – group

Cleavage taking place between – C – CHO bond

Three electron donating methyl groups

Absence of alpha hydrogen atom in the molecule

Question 5 of 15

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

Benzyl chloride

Benzoic acid

Benzene sulphonyl chloride

Benzaldehyde

Question 6 of 15

7. At higher temperature, iodoform reaction is given by the dilute solution of

CH₃CO₂C₆H₅

CH₃CO₂CH₃

CH₃CO₂C₂H₅

C₂H₅CO₂CH₃

Question 7 of 15

8. The product obtained is/are:

(a) o-product

(b) m-product

(c) o- and p-products

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

Question 8 of 15

9. 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

Question 9 of 15

10. Aldehydes and ketones can be distinguished by:

Alkaline KMnO₄

H₂SO₄

Ammonia

Fehling solution

Question 10 of 15

11. Aldol condensation does not take place is:

CH₃CH₂CHO

CH₃CHO

CH₃COCH₃

HCHO

Question 11 of 15

12. Salo is:

Methyl salicylate

Acetylsalicylic acid

None of the above

Phenyl salicylate

Question 12 of 15

13. Phenol, Z is identified as

Salicylic acid

Sodium benzoate

Benzoic Acid

Benzaldehyde

Question 13 of 15

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

NaOH + I₂

C₆H₅NHNH₂

NH₂OH

NaHSO₃

Question 14 of 15

15. Which of the following undergoes haloform reaction?

(i) CH₃CH₂COCH₂Cl

(ii) C₆H₅COCH₃

(iii) C₆H₅COCHCl₂

(iv) CH₃CH₂COCCl₃

Only(ii)

(i),(ii)and(iv)

(ii)and (iv)

All the four

Question 15 of 15

Test Name	Aldehydes, Ketones & Carboxylic Acids MCQs Test
Subject	Chemistry
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Chemistry Subject Test. Mock Test Preparation. BDS and B Tech Test prep. All Admission written test prep. Medical Test prep.

Test By Subject	Chemistry
Test By Topics	Chemistry Subject

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Aldehydes, Ketones & Carboxylic Acids Test Online MCQs

Aldehydes, Ketones & Carboxylic Acids Test Online MCQs

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