MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is used as a flavouring agent? |
| A. | Methanal |
| B. | Ethanal |
| C. | Acetone |
| D. | Acetophenone |
| Answer» E. | |
| 2. |
Which of the following has the least pungent odour? |
| A. | Methanal |
| B. | Ethanal |
| C. | Propanal |
| D. | Butanal |
| Answer» E. | |
| 3. |
Two compounds A and B were being tested for their boiling points. It was observed that A started boiling after B, when both were subjected to same conditions. If the compound B is acetone, which of the following can be compound A? |
| A. | n-Butane |
| B. | Methoxyethane |
| C. | Propanal |
| D. | Propanol |
| Answer» E. | |
| 4. |
Propanal has a slightly higher boiling point than propanone. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
If the boiling points of methoxyethane and propanol are 281 K and 370 K respectively, predict the boiling point of propanal. |
| A. | 273 K |
| B. | 281 K |
| C. | 322 K |
| D. | 370 K |
| Answer» D. 370 K | |
| 6. |
Which of the following exists as a gas at 287K? |
| A. | Formaldehyde |
| B. | Acetaldehyde |
| C. | Propanal |
| D. | Acetone |
| Answer» B. Acetaldehyde | |