MCQ
In which compound chromium has $ + \,6$ oxidation state
- ✓${K_2}C{r_2}{O_7}$
- B$CrC{l_3}$
- C$Cr\,{(S{O_4})_3}$
- DNone of these
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$(a)\; C \;\;(b)\; O \;\;(c)\; F\;\; (d) \;Cl\;\; (e)\; Br$
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