Analytical Chemistry Question 171
Question: The cation that will not be precipitated by $ H_2S $ in the presence of dil. $ HCl $ is:
Options:
A) $ P{b^{2+}} $
B) $ C{u^{2+}} $
C) $ C{o^{2+}} $
D) $ A{s^{3+}} $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] $ C{o^{+2}} $ ion is precipitated by $ H_2S $ in presence of $ NH_4OH $ which is a group reagent of group IV in cationic analysis.
BETA
