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On performing a borax-bead test with a g...

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

A

`Co^(+2)`

B

`Ni^(+2)`

C

`Cr^(+3)`

D

`Cu^(+2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Chromium ion gives in hot and cold oxidising and reducing green-colour flame.
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