Analytical Chemistry Question 35

Question: On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to be emerald green both in oxidising and reducing flame. It indicates the possibility of the presence of

[MP PMT 2001]

Options:

A) $ C{o^{+2}} $

B) $ N{i^{+2}}~~~~~~ $

C) $ C{r^{+3}} $

D) $ C{u^{+2}} $

Show Answer

Answer:

Correct Answer: C

Solution:

Chromium ion gives in hot and cold. Oxidising and reducing flame green-colour.



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