Analytical Chemistry Question 41
Question: In IV group analysis, $ NH_4OH $ is added before passing $ H_2S $ gas because
Options:
A) The sulphides of IV group are insoluble in $ NH_4OH $
B) The sulphides of other metals are soluble in is $ NH_4OH $
C) The concentration of $ {S^{2-}} $ ions is increased
D) The sulphides of second group are soluble in $ NH_4Cl $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] In IV group analysis, $ NH_4OH $ is added before passing $ H_2S $ gas because the concentration of $ {S^{2-}} $ ions is increased.
BETA
