P-Block Elements Ques 505
Question: Which of the following hydroxide is acidic?
Options:
A) $ Al{{( OH )}_3} $
B) $ Ca{{( OH )}_3} $
C) $ Tl{{( OH )}_3} $
D) $ B{{( OH )}_3} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ B{{( OH )}_3} $ is acid because it can take $ O{{H}^{-}} $ ions. $ H_3BO_3orB{{(OH)}_3}+O{{H}^{-}}\to B(OH)_4^{-} $