$X$ is the number of acidic oxides among $VO_2$,$V_2O_3$,$CrO_3$,$V_2O_5$ and $Mn_2O_7$. The primary valency of cobalt in $[Co(en)_3]_2(SO_4)_3$ is $Y$. The value of $X+Y$ is $:$
- A$5$
- B$4$
- C$2$
- D$3$
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Medium
View SolutionWhich of the following compounds has the same oxidation state of the central metal atom in both the cationic and anionic parts?
MediumAIIMS 2018
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