Question:
The correct decreasing order of basic strength of the following species is _______. H2O, NH3, OH–, NH2–
(i) NH2– > OH – > NH3 > H2O
(ii) OH– > NH2– > H2O > NH3
(iii) NH3 > H2O > NH2– > OH–
(iv) H2O > NH3> OH– > NH2–
Solution:
Option (i) NH2– > OH – > NH3 > H2O is the answer.