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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of the following aldehyde is most soluble in water? |
A. | Acetaldehyde |
B. | Formaldehyde |
C. | Butyraldehyde |
D. | Benzaldehyde |
Answer» C. Butyraldehyde | |
2. |
Which of the following is the characteristic smell of benzaldehyde? |
A. | Fish like smell |
B. | Bitter almond like |
C. | Pungent smell |
D. | Rotten egg like smell |
Answer» C. Pungent smell | |
3. |
Which of the following compound has more boiling point than aldehyde? |
A. | Alcohol |
B. | Alkanes |
C. | Ketones |
D. | Ether |
Answer» B. Alkanes | |
4. |
What is the chemical shift of formyl hydrogen in aldehyde? |
A. | 6 |
B. | 7 |
C. | 8 |
D. | 9 |
Answer» E. | |
5. |
WHICH_OF_THE_FOLLOWING_ALDEHYDE_IS_MOST_SOLUBLE_IN_WATER??$ |
A. | Acetaldehyde |
B. | Formaldehyde |
C. | Butyraldehyde |
D. | Benzaldehyde |
Answer» C. Butyraldehyde | |
6. |
Which of the following is the characteristic smell of benzaldehyde? |
A. | Fish like smell |
B. | Bitter almond like |
C. | Pungent smell |
D. | Rotten egg like smell |
Answer» C. Pungent smell | |
7. |
Which of the following compound has more boiling point than aldehyde? |
A. | Alcohol |
B. | Alkanes |
C. | Ketones |
D. | Ether |
Answer» B. Alkanes | |
8. |
Which of the following aldehyde is present as gas? |
A. | Acetaldehyde |
B. | Formaldehyde |
C. | Butyraldehyde |
D. | Benzaldehyde |
Answer» C. Butyraldehyde | |
9. |
What is the chemical shift of formyl hydrogen in aldehyde? |
A. | 6 |
B. | 7 |
C. | 8 |
D. | 9 |
Answer» E. | |
10. |
In Infrared spectroscopy, at what wave number will band of CO bond of aldehyde will occur? |
A. | 1500 cm<sup>-1</sup> |
B. | 1495 cm<sup>-1</sup> |
C. | 1965 cm<sup>-1</sup> |
D. | 1700 cm<sup>-1</sup> |
Answer» E. | |
11. |
What will be the product if we add water to the aldehyde? |
A. | Alcohols |
B. | Epoxides |
C. | Geminal diols |
D. | Peroxides |
Answer» D. Peroxides | |
12. |
Which of the following aldehyde shows oligomerization? |
A. | Acetaldehyde |
B. | Propanal |
C. | Butanal |
D. | Benzaldehyde |
Answer» B. Propanal | |
13. |
What is the name of the process in which aldehyde get oxidise in presence of air? |
A. | Calcination |
B. | Autoxidation |
C. | Cannizzaro reaction |
D. | Baeyer villiger oxidation |
Answer» C. Cannizzaro reaction | |
14. |
Aldehydes have which type of smell? |
A. | Fish like smell |
B. | Bitter almond smell |
C. | Pungent smell |
D. | Rotten egg like smell |
Answer» D. Rotten egg like smell | |