Chapter4- Aromatic Compounds- Pharmacgy

24 Questions | By Pharmacgy | Updated: Mar 21, 2022 | Attempts: 582

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Chapter4- Aromatic Compounds- Pharmacgy - Quiz

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1.

What is the name of the following compound?
- A.
  
  2-ethylphenol
- B.
  
  3-ethylphenol
- C.
  
  4-ethylphenol
- D.
  
  3-ethylbenzene
2.

The most common reactions involving aromatics are ________ reactions.
- A.
  
  Addition
- B.
  
  Elimination
- C.
  
  Oxidation
- D.
  
  Substitution
3.

What reagent is used in the bromination of benzene?
- A.
  
  HNO3, H2SO4
- B.
  
  Br2
- C.
  
  HNO3
- D.
  
  H2SO4
4.

The suitable set of reagents needed to carry out the following transformation is
- A.
  
  CH3CH2Cl/AlCl3
- B.
  
  CH3COCl/AlCl3
- C.
  
  CH3CH2CH2Cl/AlCl3
- D.
  
  CH3Cl/AlCl3
5.

What is the role of FeCl3 in chlorination of benzene?
- A.
  
  Oxidizing agent
- B.
  
  Consumed reactant
- C.
  
  Catalyst
- D.
  
  Base
6.

What is the electrophile in sulfonation?
- A.
  
  HSO4-
- B.
  
  HSO3-
- C.
  
  SO3
- D.
  
  HSO3+
7.

What are the reagent and the catalyst used for nitration of benzene?
- A.
  
  HNO3
- B.
  
  NO2+
- C.
  
  HNO3 /H2SO4
- D.
  
  HNO3 /SO3
8.

In Fridel-Craft acylation, the catalyst is
- A.
  
  FeCl3
- B.
  
  AlCl3
- C.
  
  Al+3
- D.
  
  H2SO4
9.

Which of the following reagents are used to prepare this compound from benzene?
- A.
  
  CH3CH2CH2Cl/AlCl3
- B.
  
  CH3CH2COCl/FeCl3
- C.
  
  CH3CH2COCl/AlCl3
- D.
  
  (CH3)2CHCOCl/AlCl3
10.

What is the major product for the following reaction ?
- A.
  
  Option 1
- B.
  
  Option 2
- C.
  
  Option 3
- D.
  
  Option 4
11.

The product of the following reaction is ?
- A.
  
  Option 1
- B.
  
  Option 2
- C.
  
  Option 3
12.

In isopropyl benzene the isopropyl group is ?
- A.
  
  A deactivator and o,p- director
- B.
  
  An activator and m-directing
- C.
  
  A deactivator and m-director
- D.
  
  An activator and o,p-director
13.

Which carbon atom will have the highest reactivity toward nitration ?
- A.
  
  1
- B.
  
  3
- C.
  
  2
- D.
  
  4
14.

Rank the following intermediates in order of increasing stability
- A.
  
  1>4>2>3
- B.
  
  4>1>2>3
- C.
  
  4>2>1>3
- D.
  
  1>4>3>2
15.

The most stable intermediate is ?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
16.

Arrange the following compounds according decreasing reactivity towards electrophilic aromatic substitution reaction ?
- A.
  
  4>1>2>3
- B.
  
  4>2>1>3
- C.
  
  3>2>4>1
- D.
  
  3>2>1>4
17.

Which of the following is not a resonance structure for the compound shown ?
- A.
  
  Option 1
- B.
  
  Option 2
- C.
  
  Option 3
- D.
  
  Option 4
18.

Which group of the following is Ortho-Para directing
- A.
  
  -CN
- B.
  
  -NO2
- C.
  
  -NH3+
- D.
  
  -NH2
19.

Rank the compounds in each group according to their reactivity toward electrophilic substitution 1- Chlorobenzene 2-O-dichlorobenzene 3-benzene
- A.
  
  3>1>2
- B.
  
  1>3>2
- C.
  
  2>1>3
- D.
  
  3>2>1
20.

Name the following structure
- A.
  
  Dibenzyl
- B.
  
  P-phenylstyrene
- C.
  
  Cyclobutylbenzel
21.

Name the following compound
- A.
  
  2,3,4,5-tetrabromo cumene
- B.
  
  1,2,3,4-tetrabromo-5-isopropyl
- C.
  
  2,3,4,5-tetrabromo styrene
22.

Using the aromatic starting material device a synthesis of (P-nitroethylbenzene)
- A.
  
  We start by nitration then adding the ethyl group
- B.
  
  We start by adding the ethyl group the nitration
23.

Device a synthesis of (P-bromonitrobenzene)
- A.
  
  We start by the bromonation the nitration
- B.
  
  We start by nitration and then bromonation
24.

Which step is considered the slowest ?
- A.
  
  A to E
- B.
  
  A to C
- C.
  
  E to D
- D.
  
  C to A