Which of the following hydroxide is most basic ? (a) Mg (OH) 2 (b) Ba (OH) 2 (c) Ca(OH) 2 (d) Be (OH) 2
Answers (1)
Size of barium is largest among all these elements so it is easy for barium to remove hydroxide group, since the bond strength is weaker than that in case of other hydroxides. Hence it is most basic.