All Questions
Tagged with elimination carbocation
6
questions
2
votes
0
answers
38
views
Which 1,2-methylene shift is more favourable in ring expansions where ring has substituents
In the above reaction, first the -OH group is protonated after which it leaves creating a carbocation intermediate as shown
Now, ring expansion is a more favourable rearrangement, however there is a ...
- 169
0
votes
0
answers
106
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What kind of rearrangement happens between 2,2,5-trimethylcyclopentanol and concentrated sulfuric acid?
Question:
My attempt:
After getting the carbocation after protonation, in order to form a more stable alkene, it rearranged the methyl group on the adjacent carbon so as to get the alkene in the ...
- 17
1
vote
1
answer
243
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Which of the given compound has the highest rate of dehydration?
I came across this question recently:
For which compound acid catalyzed dehydration rate is highest?
Now, they all are secondary alcohols so their dehydration should follow E1 mechanism and the ...
- 445
1
vote
2
answers
1k
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Order of rate of acid catalysed dehydration of alcohols
The relative rate of acid catalysed dehydration of following alcohols would be:
According to me, we have to arrange them in order of their carbocation stability.
Q will be the most stable as it is ...
- 363
4
votes
1
answer
328
views
Stability of carbocations with -M groups in beta position
First part
The original question was to arrange the following compounds in the order of their rate of dehydration with conc. $\ce{H2SO4}$:-
(A) $\ce{CH3-CH(OH)-CH2-CH=O}$
(B) $\ce{CH3-CH(OH)-CH2-C(=O)...
- 363
1
vote
0
answers
111
views
Number of products on dehydrobromination
Question:
The total number of alkene products possible from the dehydrobromination of 3-bromo-3-cyclopentylhexane using alcohol KOH is :
This question was asked here before but I am getting more ...
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