In borax bead test the coloured Metaborates are formed by transition metal salts. Na2 B4O7⟶Δ Salt of Co⟶ΔCoO+B2O3⟶Δ2NaBO2+B2O3CoO+ gas Co(BO2)2 cobalt metaborate (blue colour)
NEET UG 2002 — Chemistry Inorganic Chemistry
In the borax bead test, which compound is formed?
Held on 30 Apr 2002 · Verified 9 Jul 2026.
Orthoborate
Metaborate
Double oxide
Tetraborate
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Which of the following is the most electronegative element?
Out of the following complex compounds, which of the compound will be having the minimum conductance in solution?
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