Hydrogen And Its Compounds Question 54
Question: Which of the following is not a hard water
Options:
A) Water containing $ CaCl_2 $
B) Water containing dil. HCl
C) Water containing $ MgSO_4 $
D) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
Water containing $ C{a^{+2}},\ M{g^{+2}} $ and $ {H^{+}}(>{10^{-7}}m) $ is a hard water. $ {H^{+}}(aq)+CH_3COONa(aq) $ ⇌ $ CH_3COOH(s)+N{a^{+}}(aq) $
BETA
