MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 20 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. |
The substituent groups that are commonly associated with benzene ring are _________ |
| A. | Phenyl and benzyl |
| B. | Propyl and phenyl |
| C. | Methyl and benzyl |
| D. | Butyl and phenyl |
| Answer» B. Propyl and phenyl | |
| 2. |
Triple bond with two carbon atoms on either side is called _________ |
| A. | Methnyl group |
| B. | Ethynyl group |
| C. | Propionyl group |
| D. | Propargyl group |
| Answer» C. Propionyl group | |
| 3. |
Dienes are the name given to compounds with _________ |
| A. | Exactly a double bond |
| B. | Exactly a triple bond |
| C. | Exactly two double bond |
| D. | More than two double bond |
| Answer» D. More than two double bond | |
| 4. |
The C=C bond in the chain of the compound considered is shown by _________ |
| A. | Specifying the number of carbon atoms associated with the bond |
| B. | Specifying the number of carbon atoms at beginning of the C=C bond |
| C. | Specifying the number of carbon atoms at end of the C=C bond |
| D. | Specifying the number of carbon atoms in the entire chain |
| Answer» C. Specifying the number of carbon atoms at end of the C=C bond | |
| 5. |
The substituent in the chain is named by replacing the “ane” in the alkanes by _________ |
| A. | ene |
| B. | ic |
| C. | one |
| D. | yl |
| Answer» E. | |
| 6. |
The first step in IUPAC nomenclature is to identify the total number of carbon atoms present in the compound. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
In which among the following alkane, a carbon atom is displaced so as to form a compactly structure with the resemblance of a butterfly wing? |
| A. | Cyclopropane |
| B. | Cyclobutane |
| C. | Cyclopentane |
| D. | Cyclohexane |
| Answer» C. Cyclopentane | |
| 8. |
Identify the smallest alkane which can form a ring structure (cycloalkane)? |
| A. | Cyclomethane |
| B. | Methane |
| C. | Cyclopropane |
| D. | Propane |
| E. | ?a) Cyclomethaneb) Methanec) Cyclopropaned) Propane |
| Answer» D. Propane | |
| 9. |
Identify the correct alkane name for the molecular formula C30H62. |
| A. | Propdecane |
| B. | Eicosane |
| C. | Triacontane |
| D. | Dodecane |
| Answer» D. Dodecane | |
| 10. |
Saturated hydrocarbons are otherwise referred as ________________ |
| A. | Alkanes |
| B. | Alkenes |
| C. | Alkynes |
| D. | Alkaloids |
| Answer» B. Alkenes | |
| 11. |
THE_SUBSTITUENT_GROUPS_THAT_ARE_COMMONLY_ASSOCIATED_WITH_BENZENE_RING_ARE?$ |
| A. | Phenyl and benzyl |
| B. | Propyl and phenyl |
| C. | Methyl and benzyl |
| D. | Butyl and phenyl |
| Answer» B. Propyl and phenyl | |
| 12. |
Triple bond with two carbon atoms on either side is calle? |
| A. | Methnyl group |
| B. | Ethynyl group |
| C. | Propionyl group |
| D. | Propargyl group |
| Answer» C. Propionyl group | |
| 13. |
Dienes are the name given to compounds wit? |
| A. | Exactly a double bond |
| B. | Exactly a triple bond |
| C. | Exactly two double bond |
| D. | more than two double bond |
| Answer» D. more than two double bond | |
| 14. |
The C=C bond in the chain of the compound considered is shown by |
| A. | Specifying the number of carbon atoms associated with the bond |
| B. | Specifying the number of carbon atoms at beginning of the C=C bond |
| C. | Specifying the number of carbon atoms at end of the C=C bond |
| D. | Specifying the number of carbon atoms in the entire chain |
| Answer» C. Specifying the number of carbon atoms at end of the C=C bond | |
| 15. |
The substituent in the chain is named by replacing the “ane” in the alkanes by$ |
| A. | ene |
| B. | ic |
| C. | one |
| D. | yl |
| Answer» E. | |
| 16. |
The first step in IUPAC nomenclature is to identify the total number of carbon atoms present in the compound. State true or false |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
In which among the following alkane, a carbon atom is displaced so as to form a compactly structure with the resemblance of a butterfly wing |
| A. | Cyclopropane |
| B. | Cyclobutane |
| C. | Cyclopentane |
| D. | Cyclohexane |
| Answer» C. Cyclopentane | |
| 18. |
Identify the smallest alkane which can form a ring structure (cycloalkane) |
| A. | Cyclomethane |
| B. | Methane |
| C. | Cyclopropane |
| D. | Propane |
| Answer» D. Propane | |
| 19. |
Identify the correct alkane name for the molecular formula C30H62 |
| A. | Propdecane |
| B. | Eicosane |
| C. | Triacontane |
| D. | Dodecane |
| Answer» D. Dodecane | |
| 20. |
Saturated hydrocarbons are otherwise referred as |
| A. | Alkanes |
| B. | Alkenes |
| C. | Alkynes |
| D. | Alkaloids |
| Answer» B. Alkenes | |