P Block Elements Question 393
Which of the following hydroxides 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 accept $ O{{H}^{-}} $ ions. $ H_3BO_3 \text{ or } B{{(OH)}_3} + O{{H}^{-}} \to B(OH)_4^{-} $