1.

Trioxalatoaluminate(III) and tetrafluoro-borate(III) ions are :

Answer»

`[Al(C_(2)O_(4))_(3)],[BF_(4)]^(3-)`
`[Al(C_(2)O_(4))_(3)]^(3+),[BF_(4)]^(3+)`
`[Al(C_(2)O_(4))_(3)]^(3-),[BF_(4)]^(-)`
`[Al(C_(2)O_(4))_(3)]^(2-),[BF_(4)]^(2-)`

SOLUTION :`[overset(+3)Al(C_(2)O_(4))_(3)]^(3-), [overset(+3)BF_(4)]^(-)`


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