In sodium tetrafluorooxochromate (…...),Na_3[Cr(O)F_4]- the left out – InterviewSolution

1.	In sodium tetrafluorooxochromate (…...),Na_3[Cr(O)F_4]- the left out place should be filled with which of the following Roman numerals:
Answer» `VI` `III` `IV` NONE of 1hese Answer :B

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