Alcohols Phenols and Ethers - Result Question 27

####28. Which one is the most acidic compound ?

[2017]

(a)Oc1ccccc1

(b)O=N+c1ccc(O)cc1

(c)O=N+c1cc(N+[O-])c(O)c(N+[O-])c1

(d)Cc1ccc(O)cc1

Show Answer

Solution:

  1. (c) Electron withdrawing $-NO_2$ group has very strong $-I$ and $-R$ effects so, compound 3 will be most acidic.
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