Questions tagged [electrophilic-substitution]
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5
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1answer
91 views
Why is formyl chloride unstable while higher acyl chlorides are stable?
Source: Paula Bruice Ed. 2017 Pg.877
From this excerpt, we infer that formyl chloride is unstable.
But how does that affect the reaction in any way? Is it just mentioned as a point to note or does it ...
1
vote
1answer
49 views
When does ipso attack occur in electrophilic aromatic substitution?
My textbook doesn't mention the conditions required for an ipso attack to occur. It just describes some examples where groups like $\ce{-C(CH3)}$ and $\ce{-SO3H}$ are replaced by $\ce{Br}$ using ...
-1
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1answer
72 views
Nitrobenzene - Aromatic Substitution Reactions
Which EAS (electrophilic aromatic substitution) reactions does nitrobenzene show?
We know that nitrobenzene is particularly deactivated towards most such reactions, as the nitro group is strongly ...
1
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0answers
36 views
Find the increasing order of formation of ortho product
Find the increasing order of ortho product formation when Y is (i) F, (ii) Cl, (iii) Br, (iv) I.
We know that halides are ortho, para directing for EAS reactions and we consider the electronic ...
0
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0answers
26 views
Distinguishing between a nucleophilic substitution and an electrophilic substitution
Why don't we consider all nucleophilic substitution reactions as electrophilic reactions and vice versa?
For example, look at this reaction I found in my textbook. (See picture)
This is an ...
2
votes
0answers
25 views
Isoptope effect on electrophilic aromatic substitution
My book reads
Sulphonation will be the most effected electrophilic aromatic substitution reaction when benzene is replaced by hexadeutrobenzene.
I am not able to figure out how. All EAS reactions ...
2
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0answers
95 views
Kinetic and thermodynamic control of sulphonation of toluene
Sulfonation of toluene with conc. $\ce{H2SO4}$ at room temperature gives ortho- and para-toluenesulphonic acid (with $95 \%$ yield), whereas sulfonation of toluene with conc. $\ce{H2SO4}$ at $\pu{150-...
1
vote
1answer
44 views
Reaction between phenylamine and halogens
I understand that phenylamine is considerably more reactive than benzene, meaning that it is able to react with bromine water to give 2,3,6-tribromophenylamine. But I was then wondering why I haven't ...
0
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0answers
31 views
Confusion about orienting effects in o-chlorotoluene
I'm confused about where the next substituent in the electrophilic substitution of o-chlorotoluene will land. My question comes on the background of having 3 different sources of information that say ...
0
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0answers
73 views
Attack of 3-methylbutan-1-ol on benzene in acidic medium
That's how I proceeded with the question. However the answer is tert-butylbenzene. I can't figure out why do I have an extra carbon atom.
SOURCE
- JEE Advanced 1994
0
votes
1answer
284 views
Which of the following compounds will form significant amounts of meta product during mono-nitration reaction? [closed]
Hi, I tried to answer this question based wholly on the concepts of inductive effects. But haven't gotten anywhere with it.
I would appreciate any help regarding these questions:
What condition ...
0
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2answers
111 views
Which is more activating among Phenol, Sodium Phenoxide & Anisole? Also arrange them in increasing order of their activating effect
This is in reference to Kolbe's Reaction, actually I think that Sodium Phenoxide is the most activating because, in Kolbe's Reaction we don't make react $\ce{CO2}$ directly with phenol for the ...
-1
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2answers
1k views
Effect of nitro group basicity order of o,m and p nitroanilines?
Would someone please help me with this? The order of basicity of o,m and p nitroanilines is m>o>p. My book states that ortho isomer has -I effect, -M effect as well as ortho effect, and meta isomer ...
