Analytical Chemistry Question 102
Question: A dark green bead in the borax bead test (in oxidizing flame) indicates the presence of
Options:
A) $ C{r^{3+}} $
B) $ M{n^{2+}} $
C) $ C{o^{2+}} $
D) $ N{i^{2+}} $
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Answer:
Correct Answer: A
Solution:
[a] Borax react with $ C{r^{3+}} $ to form dark green coloured bead in reducing flame.
BETA
