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. |
Primary amines are more soluble than tertiary amines of same formula. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Aniline is insoluble in which of the following solvents? |
| A. | Ethanol |
| B. | Ethoxyethane |
| C. | Benzene |
| D. | Water |
| Answer» E. | |
| 3. |
If x ml of butan-1amine and y ml of butan-1-ol is completely soluble in 100ml of water each, what is the relation between x and y? |
| A. | x > y |
| B. | x < y |
| C. | x = y |
| D. | x + y = 100 |
| Answer» C. x = y | |
| 4. |
Which of the following amines are insoluble in water? |
| A. | Methanamine |
| B. | Ethanamine |
| C. | Propanamine |
| D. | Benzenamine |
| Answer» E. | |
| 5. |
All aliphatic amines exist as associated molecules due to intermolecular hydrogen bonding. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
If A is the boiling point of propanamine and B is the boiling point of butanamine, what is the correct relation between the two? |
| A. | A > B |
| B. | B > A |
| C. | A = B |
| D. | A >> B |
| Answer» C. A = B | |
| 7. |
If the boiling point of n-C4H9NH2 is 351 K, what will be the boiling point of n-C4H9OH? |
| A. | 329 K |
| B. | 301 K |
| C. | 351 K |
| D. | 390 K |
| Answer» E. | |
| 8. |
If the boiling point of diethylamine is 329 K, predict the boiling point of ethyldimethylamine. |
| A. | 310 K |
| B. | 329 K |
| C. | 340 K |
| D. | 351 K |
| Answer» B. 329 K | |
| 9. |
Which of the following has a lower boiling point than ethanamine? |
| A. | Propane |
| B. | Ethanal |
| C. | Ethanol |
| D. | Methanoic acid |
| Answer» B. Ethanal | |
| 10. |
What is the correct order of boiling points of the isomeric amines where A=ethylmethylamine, B=propylamine and C=trimethylamine? |
| A. | A > B > C |
| B. | C > B > A |
| C. | B > C > A |
| D. | B > A > C |
| Answer» E. | |
| 11. |
The intermolecular hydrogen bonds, if any, in amines is formed between _______ |
| A. | N-H and N-H |
| B. | N and N-H |
| C. | Alkyl carbon and N-H |
| D. | Alkyl H and N-H |
| Answer» C. Alkyl carbon and N-H | |
| 12. |
Which of the following best describes aniline in pure form? |
| A. | Colourless liquid |
| B. | White waxy solid |
| C. | Brown gas |
| D. | Yellowish gas |
| Answer» B. White waxy solid | |
| 13. |
What is the characteristic odour of relatively lower aliphatic amines? |
| A. | Fruity odour |
| B. | Fishy odour |
| C. | Rotten egg smell |
| D. | Odourless |
| Answer» C. Rotten egg smell | |
| 14. |
Which of the following amines is not a gas? |
| A. | Methylamine |
| B. | Dimethylamine |
| C. | Ethylamine |
| D. | Trimethylamine |
| Answer» E. | |