Amines Intext Questions are important for IIT JEE, AIIMS, NEET, Pre UG Medical entrance exams. Medical students who are preparing for competitive exams like NEET or AIIMS must go through this article about important amines MCQs. It will surely help you to score high marks in chemistry.
Amines Intext Questions (Amines Physical Properties)
1. 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: b
2. 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: d
3. Which of the following has a lower boiling point than ethanamine?
a) Propane
b) Ethanal
c) Ethanol
d) Methanoic acid
Answer: a
4. 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: a
5. 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: d
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: b
7. Which of the following amines are insoluble in water?
a) Methanamine
b) Ethanamine
c) Propanamine
d) Benzenamine
Answer: d
8. 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: b
9. Aniline is insoluble in which of the following solvents?
a) Ethanol
b) Ethoxyethane
c) Benzene
d) Water
Answer: d
10. Which of the following is least soluble in water?
a) CH3CH2NH2
b) CH3CH2OH
c) HCOOH
d) CH3NH2
Answer: a
11. Which of the following amines is not a gas?
a) Methylamine
b) Dimethylamine
c) Ethylamine
d) Trimethylamine
Answer: d
12. What is the characteristic odour of relatively lower aliphatic amines?
a) Fruity odour
b) Fishy odour
c) Rotten egg smell
d) Odourless
Answer: b
13. Which of the following best describes aniline in pure form?
a) Colourless liquid
b) White waxy solid
c) Brown gas
d) Yellowish gas
Answer: a