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in Chemistry by (94.1k points)
`BO_(3)^(3-) + Conc. H_(2)SO_(4) + CH_(3) - CH_(2) - OH overset("ignite") to underset("Green flame")((A))` . What is the oxidation number of central atom that is responsible for green in compound (A) ?

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1 Answer

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Correct Answer - 3
`(C_(2)H_(2)O)_(2)^(3-)B^(2+)` (Trithony borate)

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