S Block Elements Question 113
Question: Which one of the following metalic hydroxides does not dissolve in sodium hydroxide solution
[KCET (Med.) 2001]
Options:
A) $ Zn{{(OH)}_2} $
B) $ Al{{(OH)}_3} $
C) $ Fe{{(OH)}_3} $
D) $ Pb{{(OH)}_2} $
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Answer:
Correct Answer: C
Solution:
$ Fe{{(OH)}_3} $ is soluble in sodium hydroxide solution.