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- Engineering
- Need explanation for: The borex based test can be used tto detect the presence of
- #p- d- and f-block elements
- #Chemistry
- #Engineering
- #Birla Institute of Technology & Science Admission Test
The borex based test can be used tto detect the presence of
- Option 1)
- Option 2)
- Option 3)
- Option 4)
Answers (1)
As we learnt in
Borax Bead Test -
B2O3 on heating combines with a number of coloured transition metal oxides Co, Ni, Cr, Cu, Mn, etc. to form correspending metaborates which posses characteristic colour.
- wherein
Cobalt metaborate (blue)
B2O3 on heating, reacts with a number of transition metal oxides, Co, Ni, etc. to form metaborates that have a characteristic colour.
Option 1)
This answer is incorrect
Option 2)
This answer is incorrect
Option 3)
This answer is correct
Option 4)
This answer is incorrect
View full answer
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