1. Tardigrade
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  3. Chemistry
  4. The correct increasing order of basic strengthamong p-nitroaniiine (I) ; p-bromoaniline (II), p-toluidine (III) is

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Q. The correct increasing order of basic strengthamong p-nitroaniiine (I) ; p-bromoaniline (II), p-toluidine (III) is

Amines

Solution:

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$-NO_{2}$ is electron withdrawing, $-CH_{3}$ 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 $I < \, II<\, III$