Organic help

  • Thread starter ddrplayboy
  • Start date
  • #1
The NO2 group directs meta with-deactivation in electrophilic aromatic substitution. The nitroso group - NO directs ortho-para with - deactivation. Write out the electroinc structures of - NO2 and -NO and explain the differences in behavior. Show all pertinent resonance forms for the addition of bromonium ino to form p-bromonitrosobenzene.
thanks for looking
 

Answers and Replies

  • #2
27
0
What is your question? We can't just answer your textbook question. What are you having trouble with in the problem?
 
  • #3
chem_tr
Science Advisor
Gold Member
609
3
First off, nitroso is written as -ONO. Please show where you are stuck; if you don't understand anything, be sure to post your question after you have studied to understand our responses.
 
  • #4
GCT
Science Advisor
Homework Helper
1,728
0
Start by writing out the resonance structures for the aryl cation, "move the electrons around" as you have learned before, or should have. You should be able to notice why the nitroso group is supposed to direct ortho para ("supposed" since I haven't looked into this before). Ortho para with deactivation? doesn't ring a bell to me.
 
Last edited:
  • #5
movies
Science Advisor
283
1
Halides like bromine on the aromatic ring will direct ortho/para while deactivating the ring as well. To justify this observation you will need to consider two different effects.
 
  • #6
chem_tr
Science Advisor
Gold Member
609
3
chem_tr said:
First off, nitroso is written as -ONO. Please show where you are stuck; if you don't understand anything, be sure to post your question after you have studied to understand our responses.

Edit: Nitroso may also be in the form of N=O, as we are dealing with organic substances; inorganic nitroso compounds are written as -ONO.
 

Related Threads on Organic help

  • Last Post
Replies
2
Views
2K
  • Last Post
Replies
6
Views
3K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
5
Views
2K
  • Last Post
Replies
6
Views
6K
  • Last Post
Replies
1
Views
4K
  • Last Post
Replies
15
Views
4K
Replies
10
Views
2K
Replies
9
Views
3K
  • Last Post
Replies
2
Views
3K
Top