Analytical Chemistry Question 12
Question: Which of the following precipitate does not dissolve even in large excess of $ NH_4OH $
[MP PMT 1991]
Options:
A) $ AgCl $
B) $ AgBr $
C) $ AgI $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
AgCl and AgBr dissolve in NH4OH and form complexes but AgI doesn’t react with NH4OH. e.g. $ AgCl\ +2NH_4OH\ \to \ \underset{complex}{\mathop{[ Ag{{(NH_3)}_2} ]}}Cl+2H_2O $
BETA
