MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 true regarding the boiling point? |
| A. | cannot say |
| B. | n-Octane is greater than isooctane |
| C. | n-Octane is less than isooctane |
| D. | n-Octane is equal to isooctane |
| Answer» C. n-Octane is less than isooctane | |
| 2. |
Methane cannot be prepared by the reduction of alkenes or alkynes. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 3. |
In the combustion reaction of alkanes if Ethane is used how many moles of oxygen are required? |
| A. | 3 |
| B. | 4 |
| C. | 7 |
| D. | 3.5 |
| Answer» E. | |
| 4. |
Which of the following is not a process of halogenation of alkanes? |
| A. | acylation |
| B. | chlorination |
| C. | bromination |
| D. | iodination |
| Answer» B. chlorination | |
| 5. |
Alkynes are __________ in nature and first four members are __________ gases. |
| A. | polar, white |
| B. | nonpolar, colourless |
| C. | polar, colourless |
| D. | nonpolar, white |
| Answer» C. polar, colourless | |
| 6. |
Corey-House synthesis is used for alkanes having __________ number of carbon atoms. |
| A. | 6 |
| B. | 3 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 7. |
Which of the following reaction is used to increase the length of the carbon chain? |
| A. | Wolff Kishnn s reaction |
| B. | Clemmensen reduction |
| C. | Kolbe s electrolysis |
| D. | Wurtz reaction |
| Answer» E. | |
| 8. |
How many carbons are there in the product of a decarboxylation reaction when compared with the reactant? |
| A. | two carbons more |
| B. | one carbon more |
| C. | one carbon less |
| D. | an equal number of carbons |
| Answer» D. an equal number of carbons | |
| 9. |
Is of hydrogenation is __________ on steric crowding. |
| A. | may be related to |
| B. | dependent |
| C. | independent |
| D. | not related to |
| Answer» C. independent | |
| 10. |
Alkanes are also known as __________ |
| A. | alkenes |
| B. | paraffin |
| C. | aromatic |
| D. | alicyclic |
| Answer» C. aromatic | |