When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely…
Chemistry · JEE Main · NTA Exams — p-Block Elements
When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to :
(JEE Main 2022)
(JEE Main 2022)
- B2O3
- Co(BO2)2
- CoB4O7
- Co[B4O5(OH)4]
Answer
(B) Co(BO 2 ) 2
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