Analytical Chemistry Question 137

Question: Concentrated aqueous sodium hydroxide can separate a mixture of

Options:

A) $ A{l^{3+}} $ and $ S{n^{2+}} $

B) $ A{l^{3+}} $ and $ F{e^{2+}} $

C) $ A{l^{3+}} $ and $ Z{n^{2+}} $

D) $ Z{n^{2+}} $ and $ P{b^{2+}} $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ A{l^{3+}} $ is soluble in $ NaOH. $