Analytical Chemistry Question 149
Question: Which one of the following metals will give blue ash when its salt is heated with $ Na_2CO_3 $ solid and $ Co{{( NO_3 )}_2} $ on a charcoal piece
[MNR 1987]
Options:
A) $ Cu $
B) $ Mg $
C) $ Al $
D) $ Zn $
Show Answer
Answer:
Correct Answer: C
Solution:
$ CoAlO_2 $ is formed which is blue. Follow cobalt nitrate-charcoal test.
BETA
