' X ' is the number of acidic oxides among \({\mathrm{VO}}_{2}\), \({\mathrm{V}}_{2}{\mathrm{O}}_{3},{\mathrm{CrO}}_{3},{\mathrm{V}}_{2}{\mathrm{O}}_{5}\) and \({\mathrm{Mn}}_{2}{\mathrm{O}}_{7}\). The primary valency of cobalt in \({\left[\mathrm{Co}{\left({\mathrm{H}}_{2}{\mathrm{NCH}}_{2}{\mathrm{CH}}_{2}{\mathrm{NH}}_{2}\right)}_{3}\right]}_{2}{\left({\mathrm{SO}}_{4}\right)}_{3}\) is Y . The value of \(\mathrm{X}+\mathrm{Y}\) is

[JEE Main 2025, 7 Apr (Shift 2)]

Question

' X ' is the number of acidic oxides among \({\mathrm{VO}}_{2}\), \({\mathrm{V}}_{2}{\mathrm{O}}_{3},{\mathrm{CrO}}_{3},{\mathrm{V}}_{2}{\mathrm{O}}_{5}\) and \({\mathrm{Mn}}_{2}{\mathrm{O}}_{7}\). The primary valency of cobalt in \({\left[\mathrm{Co}{\left({\mathrm{H}}_{2}{\mathrm{NCH}}_{2}{\mathrm{CH}}_{2}{\mathrm{NH}}_{2}\right)}_{3}\right]}_{2}{\left({\mathrm{SO}}_{4}\right)}_{3}\) is Y . The value of \(\mathrm{X}+\mathrm{Y}\) is

[JEE Main 2025, 7 Apr (Shift 2)]

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