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Chemistry
The decreasing order of electron density on the ring is: <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/chemistry/1d8ade6b740fdb8fca4d582cf0b9108d-.jpeg />
Q. The decreasing order of electron density on the ring is:
2069
278
Organic Chemistry – Some Basic Principles and Techniques
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A
(
II
)
>
(
III
)
>
(
I
V
)
>
(
I
)
0%
B
(
I
V
)
>
(
I
)
>
(
II
)
>
(
III
)
0%
C
(
I
V
)
>
(
I
)
>
(
III
)
>
(
II
)
100%
D
(
I
)
>
(
III
)
>
(
I
V
)
>
(
II
)
0%
Solution:
(
I
)
No delocalisation
(
II
)
Delocalisation (better)
(
III
)
No delocalisation
(
I
V
)
Delocalisation (but less effective than
II
)
