1. Which one of the foilowing reagents reacts in a similar fashion with both phenylamine (C,H,NH,) and ethylamine. A) Br (aq) C) conc. HNO, D) cold HNO (aq) 2. Phenylamine (aniline) can be prepared by reducing nitrobenzene with tin and concerntrated hydrochloric acid followed by the addition of alkali and finally steam distillation. The alkali is added to; 8 B) conc.H SO, A) prevent oxidation of phenylamine. B) liberate free phenylamine from solution C) dissolve excess nitro benzene D) dissolve the phenylamine Which one of the following statements best explains why trimethylamine [(CH) N] has a lower boiling point than dimeihyiamine [(CH),NH]? A) (CH) N has a larger relative molecular 3. mass B) (CH) N molecule is symmetrical C) (CH) N cannot hydrogen bond with itself (CH IN molecules have a larger volume

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
C) a nitrile
D) an amine nitrite salt
DIRECTIONS: Each of the following questions
or incomplete statements below is followed by four
suggested answers lettered A - D. Select or
choose the letters of the best answer to the
question or incomplete statement.
7. An organic nitrogen compound, X, gives
ammonia on warming with dilute aqueous
sodium hydroxide, X could be
A) ethanamide B) ethylamine
C) phenylamine D) amino ethanoic acid
Which one of the following reagents reacts
1.
in a similar fashion with both phenylamine
(C H,NH,) and ethylamine.
A) Br,(aq)
C) conc. HNO, D) cold HNO (aq)
2. Phenylamine (aniline) can be prepared by
reducing nitrobenzene with tin and
concerntrated hydrochloric acid followed by
the addition of alkali and finally steam
distillation. The alkali is added to;
A) prevent oxidation of phenylamine.
B) liberate free phenylamine from solution
C) dissolve excess nitro benzene
D) dissolve the phenylamine
8. Arrange the following molecules in their
increasing order of base strength, starting
with the least
B) conc.H SO,
CH,CH,NHCH,, CH,CH,CH,NH
CH,CH,CONH, CH,CH,NH,
II
A) II, I, IV and II
C) fl, IV, Il andI
IV
B) ill, IV, I and II
D) IV, I1, i and II
The correct product for the reaction between
propanamide CH,CH CONH, with
Br /KOH is
A) CH CHBICONH,
B) CH CH NH,
C) CH CH,CH NH,
D) CH,CH,CONHBI
9.
Which one of the following statements best
explains why trimethylamine [(CH,) N] has
a lower boiling point than dimethyiamine
(CH,),NH]?
A) (CH) N has a larger relative molecular
3.
10. What name is given to the reaction of acid
amide and bromine in a solution of aqueous
alkali foilowed by heating.
A) Hofmann degradation
B) Hofmann decarboxylation
C) reduction
D) Hofmann reduction.
mass
B) (CH) N molecule is symmetrical
C) (CH) N cannot hydrogen bond with
itself
D) (CH) N molecules have a larger volume
4.
When benzonitrile (C H CN) is refluxed with
5 moledm HCI for serveral minutes, and
then allowed to cool, white crystals rapidly 11. Arrange, ammonia, 1" amine, 2 amine and
separate from the mixture. The white
crystals are:
A) NH,CI
C) C,H,CO,H D) CHCO,NH,
3 amine in order of increasing basicity
starting with the least we have
A) NH, < 1° amine < 2" amine < 3° amine
B) 3 amine < 2°amine <1° amine <NH,
C) NH, <3° amine <1° amine < 2° amine
D) NH, <3° amine < 2° amine <1° amine
B) CH,CONH,
Which of the following liquids will be used
to extract aniline (phenylamine) from crude
aniline after preparation?
A) ethanol
B) .ether
C) aqueous sodium hydroxide
D) dilute hydrochloric acid
5.
361
Transcribed Image Text:C) a nitrile D) an amine nitrite salt DIRECTIONS: Each of the following questions or incomplete statements below is followed by four suggested answers lettered A - D. Select or choose the letters of the best answer to the question or incomplete statement. 7. An organic nitrogen compound, X, gives ammonia on warming with dilute aqueous sodium hydroxide, X could be A) ethanamide B) ethylamine C) phenylamine D) amino ethanoic acid Which one of the following reagents reacts 1. in a similar fashion with both phenylamine (C H,NH,) and ethylamine. A) Br,(aq) C) conc. HNO, D) cold HNO (aq) 2. Phenylamine (aniline) can be prepared by reducing nitrobenzene with tin and concerntrated hydrochloric acid followed by the addition of alkali and finally steam distillation. The alkali is added to; A) prevent oxidation of phenylamine. B) liberate free phenylamine from solution C) dissolve excess nitro benzene D) dissolve the phenylamine 8. Arrange the following molecules in their increasing order of base strength, starting with the least B) conc.H SO, CH,CH,NHCH,, CH,CH,CH,NH CH,CH,CONH, CH,CH,NH, II A) II, I, IV and II C) fl, IV, Il andI IV B) ill, IV, I and II D) IV, I1, i and II The correct product for the reaction between propanamide CH,CH CONH, with Br /KOH is A) CH CHBICONH, B) CH CH NH, C) CH CH,CH NH, D) CH,CH,CONHBI 9. Which one of the following statements best explains why trimethylamine [(CH,) N] has a lower boiling point than dimethyiamine (CH,),NH]? A) (CH) N has a larger relative molecular 3. 10. What name is given to the reaction of acid amide and bromine in a solution of aqueous alkali foilowed by heating. A) Hofmann degradation B) Hofmann decarboxylation C) reduction D) Hofmann reduction. mass B) (CH) N molecule is symmetrical C) (CH) N cannot hydrogen bond with itself D) (CH) N molecules have a larger volume 4. When benzonitrile (C H CN) is refluxed with 5 moledm HCI for serveral minutes, and then allowed to cool, white crystals rapidly 11. Arrange, ammonia, 1" amine, 2 amine and separate from the mixture. The white crystals are: A) NH,CI C) C,H,CO,H D) CHCO,NH, 3 amine in order of increasing basicity starting with the least we have A) NH, < 1° amine < 2" amine < 3° amine B) 3 amine < 2°amine <1° amine <NH, C) NH, <3° amine <1° amine < 2° amine D) NH, <3° amine < 2° amine <1° amine B) CH,CONH, Which of the following liquids will be used to extract aniline (phenylamine) from crude aniline after preparation? A) ethanol B) .ether C) aqueous sodium hydroxide D) dilute hydrochloric acid 5. 361
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Aldehydes and Ketones
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY