When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to
p-Block Elements (Class 11) · Class 11 · JEE Main Previous Year Question
When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to
- a
- b✓
- c
- d
Strategy: Identify the colored compound formed during the borax bead test with Cobalt.
Step 1: Reaction in the bead On heating Borax, it forms a glassy bead of and . Step 2: Bead color for Cobalt Cobalt oxide reacts with boric anhydride to form a blue metaborate:
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