Formulae of metaborate and borate ions respectively are

1.	Formulae of metaborate and borate ions respectively are
Answer» `BO_(3)^(3-) and BO_(2)^(-)` `BO_(2)^(-) and BO_(3)^(3-)` `BO_(2)^(-) and BO_(3)^(-)` `BO_(2)^(2-) and BO_(3)^(3-)` ANSWER :B

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