1.

A salthaving BO_(3)^(3-) on burning with cone H_(2)SO_(4) gives …. Edge flame

Answer»

Green
yellow
Red
White

Solution :`2Na_(3)BO_(3) + 3H_(2)SO_(4) rarr 3Na_(2)SO_(4) + 2H_(2)BO_(3)`
`H_(3)BO_(3) + 3C_(2)H_(3)OH rarr underset("edge FLAME")underset("Burns with green")((C_(2)H_(5))_(3)BO_(3))+3H_(2)O`


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