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Chemistry
The correct increasing order of basic strengthamong p-nitroaniiine (I) ; p-bromoaniline (II), p-toluidine (III) is
Q. The correct increasing order of basic strengthamong p-nitroaniiine (I) ; p-bromoaniline (II), p-toluidine (III) is
1608
200
Amines
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A
I < II < III
53%
B
III < II < I
16%
C
II < I < III
20%
D
III < I < II
10%
Solution:
−
N
O
2
is electron withdrawing,
−
C
H
3
is electron releasing (+I effect), -Br group has -I effect but +R effect
Therefore, correct order of basic strength
p
-Nitroaniline
<
p
-Bromoaniline
<
p
-Toluidine or
I
<
II
<
III