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Get Answers to all your Questions
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Which of the following carbocation is more stable ?
Option: 1
Option: 2
Option: 3
Option: 4
Answers (1)
The oxygen atom present adjacent to the carbocation will exert +M
+ M has a greater stabilizing effect in this case as the octet of the carbon atom is completed due to the donation of lone pairs of O atom.
So is the most stable among the given options because it will complete the octet of carbon.
1 has only three +I effect groups.
2 has +M effect group and octet is completing.
3 has +M effect but octet is not completing.
4 has resonance but octet is not completing.
Therefore, option (2) is correct.
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