Answer
a) Sn(OH)$_{2}$
b) BaF$_{2}$
c) I$_{4}$O$_{9}$
d) Fe$_{2}$(C$_{2}$O$_{4}$)$_{3}$
Work Step by Step
a) Sn(OH)$_{2}$
b) BaF$_{2}$
c) I$_{4}$O$_{9}$
d) Fe$_{2}$(C$_{2}$O$_{4}$)$_{3}$
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