MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Maharashtra CET knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An alkane with 6 carbon atoms will have how many hydrogen atoms? |
| A. | 11 |
| B. | 12 |
| C. | 13 |
| D. | 14 |
| Answer» E. | |
| 2. |
Liquified petroleum gas is mainly composed of _____________ |
| A. | Methane and ethane |
| B. | Ethane and propane |
| C. | Propane and butane |
| D. | Butane and hexane |
| Answer» D. Butane and hexane | |
| 3. |
Select the incorrect statement regarding the boiling points of alkanes. |
| A. | Boiling point increases with stronger Vander Waal’s forces |
| B. | Surface area is the only factor which determines the boiling point of alkane |
| C. | Boiling point of straight chain alkanes is greater than that of branched chain alkanes |
| D. | The boiling point of cycloalkanes is always higher than that of linear alkanes |
| Answer» C. Boiling point of straight chain alkanes is greater than that of branched chain alkanes | |
| 4. |
The other name for branched chain alkanes is _____________ |
| A. | Paraffins |
| B. | Isoparaffins |
| C. | Neoparaffins |
| D. | Naphthenes |
| Answer» C. Neoparaffins | |
| 5. |
Which among the following is not an alkane isomer with 6 carbon atoms? |
| A. | Hexane |
| B. | 2,3-dimethylbutane |
| C. | 2,2-dimethylbutane |
| D. | Neopentane |
| Answer» E. | |
| 6. |
Identify the incorrect statement. |
| A. | Alkanes with repeated –CH2– units constitute a homologus series |
| B. | They are very reactive |
| C. | They have very less biological activity |
| D. | Petroleum and natural gas are the main sources of alkanes |
| Answer» C. They have very less biological activity | |
| 7. |
Select the minimum number of carbon atoms, a molecule must possess so as to be regarded as a higher alkane. |
| A. | 15 |
| B. | 16 |
| C. | 17 |
| D. | 18 |
| Answer» D. 18 | |
| 8. |
Identify the simplest alkane. |
| A. | Methane |
| B. | Methene |
| C. | Ethane |
| D. | Ethene |
| Answer» B. Methene | |
| 9. |
Select the incorrect statement regarding alkanes. |
| A. | It is otherwise known as Paraffin |
| B. | It is an acyclic saturated hydrocarbon |
| C. | In alkanes, C-C bonds are single |
| D. | Alkanes have the general formula CnH2n |
| Answer» E. | |