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Author Question: What is the name of the class of compounds to which the molecule shown belongs? 1.annulenes ... (Read 43 times)

captainjonesify

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on: Aug 23, 2018
What is the name of the class of compounds to which the molecule shown belongs?
 
  1.annulenes
  2.heterocyclic aromatics
  3.bicyclic compounds
  4.polycyclic aromatic hydrocarbons
  5.trisubstituted benzenes

Question 2

Which of the following is not a condition for aromaticity?
  1.The molecule must be a 6-membered ring.
  2.The molecule must have planar or nearly planar  system.
  3.The molecule must have (4n+2)  electrons in the ring.
  4.The molecule must show ring currents effects in its NMR spectrum.
  5.Each atom in the ring must contribute one p orbital to the system.

Question 3

Which of the following names incorrectly describes the relationship between the substituents for the derivative shown below?
 
  1. m-xylene
  2. 1,3-dimethylbenzene
  3. 3-methyltoluene
  4. m-methyltoluene
  5. ortho-xylene

Question 4

What is the IUPAC name of the following compound?
 
  1.4-bromo-3-chloro-1-methylbenzene
  2.1-chloro-2-bromo-5-methylbenzene
  3.1-bromo-2-chlorotoluene
  4.4-bromo-3-chlorotoluene
  5.2-bromo-1-chlorotoluene

Question 5

The electronic transition that occurs for conjugated molecules in ultraviolet/visible spectroscopy is:
  1.  
  2.  
  3.  
  4.


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duy1981999

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Reply #1 on: Aug 23, 2018
Answer to Question 1

4

Answer to Question 2

1

Answer to Question 3

5

Answer to Question 4

4

Answer to Question 5

3


captainjonesify

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Reply 2 on: Aug 23, 2018
:D TYSM

kjohnson

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Reply 3 on: Yesterday
Gracias!

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