Hydrogen And Its Compounds Question 4
Question: When temporary hard water containing $ Mg{{(HCO_3)}_2} $ is boiled the ppt. formed is of
Options:
A) $ MgCO_3 $
B) MgO
C) $ Mg{{(OH)}_2} $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
$ Mg{{(OH)}_2} $ is less soluble than $ MgCO_3 $ . On boiling temporary hard water containing $ M{g^{+2}} $ ions, the ppt. obtained is of $ Mg{{(OH)}_2} $ are not that of $ MgCO_3 $ .
BETA
