But @Shaquib wouldn't there be a hydrogen bond between H and O of nitro group which will decrease it's acidic character.
See what your saying is absolutely right but there is one difference
We consider h- Bonding when we have to tell acidic strength between ortho/ para position.
Apart from this we will consider only electron withdrawing property of NO2.
Ohh thanks @Shaquib
It is of which question and please show reasoning too
The answer posted by @Shaquib is of q2 and here the reason
For q2 is the given answer is 1>4>2>5>3 ?!
Because i think in case of aniline due to SIP rule the basic strength of ortho substituted aniline decreases
Answer given by shakib is same as given in answer key
Okay , then just see the explanation given in post#27 and ignore post#28
What about question 3 b part
Not clearly visible please upload again