Analytical Chemistry Question 172
Question: A pink coloured salt turns blue on heating. The presence of which cation is most likely-
Options:
A) $ C{o^{2+}} $
B) $ C{u^{2+}} $
C) $ Z{n^{2+}} $
D) $ F{e^{2+}} $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ Z{n^{2+}} $ salts are white. Usually $ F{e^{2+}} $ salts are rarely pink. $ C{u^{2+}} $ salts are usually blue in hydrated form. $ C{o^{2+}} $ is pink in aqueous solution.
BETA
