MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
4-Nitroanisole is obtained as the major product when anisole reacts with _____ |
| A. | concentrated H<sub>2</sub>SO<sub>4</sub> |
| B. | concentrated HNO<sub>3</sub> |
| C. | mixture of concentrated H<sub>2</sub>SO<sub>4</sub> and HNO<sub>3</sub> |
| D. | mixture of dilute H<sub>2</sub>SO<sub>4</sub> and HNO<sub>3</sub> |
| Answer» D. mixture of dilute H<sub>2</sub>SO<sub>4</sub> and HNO<sub>3</sub> | |
| 2. |
Identify the major product of Friedel-Crafts acylation of anisole with ethanoyl chloride? |
| A. | 2-Methoxytoluene |
| B. | 4-Methoxytoluene |
| C. | 2-Methoxyacetophenone |
| D. | 4-Methoxyacetophenone |
| Answer» E. | |
| 3. |
What is the major product of bromination of anisole in ethanoic acid? |
| A. | o-Dibromobenzene |
| B. | p-Dibromobenzene |
| C. | o-Bromoanisole |
| D. | p-Bromoanisole |
| Answer» E. | |
| 4. |
One molecule of dialkyl ether produces how many molecules of alkyl halides with excess of halogen acid? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 5. |
Which of the following is the least reactive functional group? |
| A. | Alcohols |
| B. | Ethers |
| C. | Aldehydes |
| D. | Ketones |
| Answer» C. Aldehydes | |
| 6. |
Ethoxyethane is insoluble in water as compared to butanol. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Ethers are linear molecules with zero dipole moment. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The boiling point of ethers is ______ the boiling point of alcohols of comparable molecular mass. |
| A. | lower than |
| B. | similar to |
| C. | little higher than |
| D. | much higher than |
| Answer» B. similar to | |
| 9. |
The reaction between tert-Butyl chloride and sodium ethoxide gives _______ |
| A. | tert-Butyl ethyl ether |
| B. | tert-Butyl methyl ether |
| C. | 2-Methylprop-1-ene |
| D. | butene |
| Answer» D. butene | |
| 10. |
Sodium methoxide on heating with bromoethane gives __________ |
| A. | methoxymethane |
| B. | methoxyethane |
| C. | ethoxyethane |
| D. | diethyl ether |
| Answer» C. ethoxyethane | |
| 11. |
What is the major product formed when ethanol is dehydrated with concentrated H2SO4 at 413K? |
| A. | Ethene |
| B. | Methoxymethane |
| C. | Methoxyethane |
| D. | Ethoxyethane |
| Answer» E. | |
| 12. |
Which of the following is not favourable for the proper dehydration of alcohol to form ether? |
| A. | Good temperature control during reaction |
| B. | Excess of alcohol |
| C. | Presence of protic acids |
| D. | Presence of bulky alkyl groups in the alcohol |
| Answer» E. | |
| 13. |
Which of the following is the most suitable requirement for the dehydration of ethanol to form an ether? |
| A. | Sulphuric acid at 413K |
| B. | Sulphuric acid at 443K |
| C. | Sodium hydroxide at 413K |
| D. | Sodium hydroxide at 443K |
| Answer» B. Sulphuric acid at 443K | |