Analytical Chemistry Question 103
Question: $ Fe{{( OH )}_3} $ can be separated from $ Al{{( OH )}_3} $ by addition of
[BHU 1981]
Options:
A) Dil. $ HCl $
B) $ NaCl $ solution
C) $ NaOH $ solution
D) $ NH_4Cl $ and $ NH_4OH $
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Answer:
Correct Answer: C
Solution:
As $ Fe{{( OH )}_3} $ is soluble in $ NaOH $ whereas $ Al{{( OH )}_3} $ is not.
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