The correct structural formula of potassium tri oxalato aluminate (III) is
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a
K3AlC2O43
b
K3AlC2O42
c
K2AlC2O42
d
K2AlC2O43
answer is A.
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Detailed Solution
Oxalato is C2O4-2 ;oxidation state of ‘Al’ is “+3”∴ the formula of the anionic complex is AlC2O43−3To compensate the negative charge, 3K+ ion are required.∴ the formula of te complex is K3AlC2O43 .