MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Vanillin is an aldehydic compound. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The compound 3-Bromobenzaldehyde is named as γ-Bromobenzaldehyde in the common system. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
How many aldehydic groups does the compound phthaldehyde have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 4. |
What is the IUPAC name of the sown compound? |
| A. | Propane-1,2,3-trial |
| B. | 3-Formylpentan-1,5-dial |
| C. | 2-(Formylmethyl)butan-1,4-dial |
| D. | Propane-1,2,3-tricarbaldehyde |
| Answer» E. | |
| 5. |
Identify the correct common name for the following compound. |
| A. | 3-Methylcyclohexanecarbaldehyde |
| B. | 3-Methylbenzecarbaldehyde |
| C. | 3-Methylbenzaldehyde |
| D. | γ-Methylcyclohexanecarbaldehyde |
| Answer» E. | |
| 6. |
The compound 3-Phenylprop-2-enal is also known as _________ |
| A. | Crotonaldehyde |
| B. | Cinnamaldehyde |
| C. | Salicylaldehyde |
| D. | Vanillin |
| Answer» C. Salicylaldehyde | |
| 7. |
Identify the correct IUPAC name of CH3-CH=CH-CHO. |
| A. | But-2-enal |
| B. | 2-Butenal |
| C. | Buten-2-al |
| D. | Butenal |
| Answer» B. 2-Butenal | |
| 8. |
What is the correct IUPAC naming of the compound shown? |
| A. | Benzenecarbaldehyde |
| B. | Cyclohexanal |
| C. | Cyclohexyl aldehyde |
| D. | Cyclohexanecarbaldehyde |
| Answer» E. | |
| 9. |
The prefix valer- is used for generally used for naming aldehydes with how many carbon atoms in the structure? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 10. |
Which of the following is the incorrect name for the following compound? |
| A. | 3-Methylbutanal |
| B. | β-Methylbutyraldehyde |
| C. | γ-Methylbutyraldehyde |
| D. | Isovaleraldehyde |
| Answer» D. Isovaleraldehyde | |
| 11. |
What is the common name of the compound which has a CHO group attached to the sp2 hybridised carbon of a benzene ring? |
| A. | Benzanal |
| B. | Benzaldehyde |
| C. | Benzenecarbaldehyde |
| D. | Phthaldehyde |
| Answer» C. Benzenecarbaldehyde | |
| 12. |
What is the common name of butanal? |
| A. | n-Butanaldehyde |
| B. | α-Butanaldehyde |
| C. | n-Butyraldehyde |
| D. | α-Butyraldehyde |
| Answer» D. α-Butyraldehyde | |
| 13. |
How many carbon atoms does formaldehyde have? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 14. |
Which of the following compounds do not contain a carbonyl group? |
| A. | Alcohol |
| B. | Aldehyde |
| C. | Ketone |
| D. | Carboxylic acid |
| Answer» B. Aldehyde | |