A. calcium tetraoxosulphate(VI)
B. calcium trioxocarbonate (IV)
C. calcium hydrogentrioxocarbonate (IV)
D. aluminium trioxocarbonate (IV)

Correct Answer:

Option B – calcium trioxocarbonate (IV)

SEE ALSO  Sulphur has an oxidation number of +4 in?

Copyright warnings! Do not copy.