S Block Elements Question 162
Question: The oxide, which is best soluble in $ H_2O $ is
[BHU 2001]
Options:
A) $ Ba{{(OH)}_2} $
B) $ Mg{{(OH)}_2} $
C) $ {{K}^{+}},HCO_3^{-} $
D) $ Ca{{(OH)}_2} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \xrightarrow[Solubilitydecreasingorder.]{Ba{{(OH)}_2}>Sr{{(OH)}_2}>Ca{{(OH)}_2}>Mg{{(OH)}_2}} $