Explain....

check it

see shraddha when there is EDG then acidity is less and when there is EWG then acidity is more....Ch3 is EDG so it has least acidity....

hope this will help you 🙏

acidity ii >i>iv>v>iii

more pka value leads to less acidic

And check too which have more EW nature.... nr3+have more -I effect than No2 than CN

hope you get it😊

It is one of the simplest question you have asked. Please give atleast think to the question 🙏. It will help to learn faster Shraddha