Home Chemistry Aldehyde and Ketones Test Online Mcqs Preparation

Chemistry Aldehyde and Ketones Test Online Mcqs Preparation

Chemistry Aldehyde and Ketones Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. Formation of cyanohydrin form an aldehyde is an example of
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Formation of yellow or orange/red precipitates with 2, 4-DNPH refers to the identification of
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. An alcohol giving positive 2, 4-DNPH test implies that:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Acetaldehyde reacts normally with
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Reduction of an aldehyde using NaBH4 gives:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. In the oxidation of unsymmetrical ketone using strong oxidizing agents like conc. HNO3, which carbon atom is preferentially attacked:
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Which of the following has maximum reactivity in nucleophilic substitution reactions?
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Which of the following will not give iodoform test?
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Which of the following will not form enolate ion?
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Addition of HCN to acetaldehyde in the presence of dilute mineral acid and sodium cyanide forms
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The clear fact for the structural difference between aldehyde and ketone is
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Which of the following has maximum steric hindrance?
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. For which one of the following pairs of compounds can the members be distinguished by means of Tollen’s tests.
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. CHX3 will be given by all the carbonyl compounds (aldehydes and ketones) containing atleast one:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Which of the following ketones will produce propanoic acid only after oxidation by acidified potassium dichromate:
A.
B.
C.
D.

Question 15 of 15


 

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