315155 In the neutral or faintly alkaline medium, \(\mathrm{\mathrm{KMnO}_{4}}\) oxidses iodide into iodate. The change in oxidation state of manganese in this reaction is from

315156 In the conversion of \(\mathrm{\mathrm{Br}_{2}}\) to \(\mathrm{\mathrm{BrO}_{3}^{-}}\), the oxidation number of \(\mathrm{\mathrm{Br}}\) changes from

315157 Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements?
\(({\rm{a}}){\mkern 1mu} {{\rm{K}}_{\rm{4}}}\underline {{{\rm{P}}_{\rm{2}}}{{\rm{O}}_7}} \)
\({\text{(b)Na}}{\mkern 1mu} \underline {{\text{Au}}} {\mkern 1mu} {\text{C}}{{\text{l}}_{\text{4}}}\,\,{\mkern 1mu} \)
\({\text{(c)R}}{{\text{b}}_{\text{4}}}{\text{Na}}\left[ {{\text{H}}\underline {{{\text{V}}_{{\text{10}}}}} {{\text{O}}_{{\text{28}}}}} \right]\,\,\)
\({\text{(d)}}\underline {\text{I}} {\text{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\)
\(\,{\text{(e)B}}{{\text{a}}_{\text{2}}}\underline {{\text{Xe}}} {{\text{O}}_{\text{6}}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \)
\({\mkern 1mu} {\text{(f)}}\underline {\text{O}} {{\text{F}}_{\text{2}}}\,\,\,\,\,\)
\({\rm{(g)Ca}}{\left( {\underline {{\rm{Cl}}{{\rm{O}}_{\rm{2}}}} } \right)_{\rm{2}}}\)
\({\rm{(h)}}\underline {\rm{N}} {\rm{O}}_2^ - \)

315158 \(4 \mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow 3 \mathrm{H}_{3} \mathrm{PO}_{4}+\mathrm{PH}_{3}\), in this reaction, phosphorus in \(\mathrm{H}_{3} \mathrm{PO}_{3}\) undergoes

315159 Oxidation numbers of potassium in \(\mathrm{\mathrm{K}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{O}_{2}}\) and \(\mathrm{\mathrm{KO}_{2}}\), respectively, are

315155 In the neutral or faintly alkaline medium, \(\mathrm{\mathrm{KMnO}_{4}}\) oxidses iodide into iodate. The change in oxidation state of manganese in this reaction is from

315156 In the conversion of \(\mathrm{\mathrm{Br}_{2}}\) to \(\mathrm{\mathrm{BrO}_{3}^{-}}\), the oxidation number of \(\mathrm{\mathrm{Br}}\) changes from

315157 Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements?
\(({\rm{a}}){\mkern 1mu} {{\rm{K}}_{\rm{4}}}\underline {{{\rm{P}}_{\rm{2}}}{{\rm{O}}_7}} \)
\({\text{(b)Na}}{\mkern 1mu} \underline {{\text{Au}}} {\mkern 1mu} {\text{C}}{{\text{l}}_{\text{4}}}\,\,{\mkern 1mu} \)
\({\text{(c)R}}{{\text{b}}_{\text{4}}}{\text{Na}}\left[ {{\text{H}}\underline {{{\text{V}}_{{\text{10}}}}} {{\text{O}}_{{\text{28}}}}} \right]\,\,\)
\({\text{(d)}}\underline {\text{I}} {\text{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\)
\(\,{\text{(e)B}}{{\text{a}}_{\text{2}}}\underline {{\text{Xe}}} {{\text{O}}_{\text{6}}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \)
\({\mkern 1mu} {\text{(f)}}\underline {\text{O}} {{\text{F}}_{\text{2}}}\,\,\,\,\,\)
\({\rm{(g)Ca}}{\left( {\underline {{\rm{Cl}}{{\rm{O}}_{\rm{2}}}} } \right)_{\rm{2}}}\)
\({\rm{(h)}}\underline {\rm{N}} {\rm{O}}_2^ - \)

315158 \(4 \mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow 3 \mathrm{H}_{3} \mathrm{PO}_{4}+\mathrm{PH}_{3}\), in this reaction, phosphorus in \(\mathrm{H}_{3} \mathrm{PO}_{3}\) undergoes

315159 Oxidation numbers of potassium in \(\mathrm{\mathrm{K}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{O}_{2}}\) and \(\mathrm{\mathrm{KO}_{2}}\), respectively, are

315155 In the neutral or faintly alkaline medium, \(\mathrm{\mathrm{KMnO}_{4}}\) oxidses iodide into iodate. The change in oxidation state of manganese in this reaction is from

315156 In the conversion of \(\mathrm{\mathrm{Br}_{2}}\) to \(\mathrm{\mathrm{BrO}_{3}^{-}}\), the oxidation number of \(\mathrm{\mathrm{Br}}\) changes from

315157 Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements?
\(({\rm{a}}){\mkern 1mu} {{\rm{K}}_{\rm{4}}}\underline {{{\rm{P}}_{\rm{2}}}{{\rm{O}}_7}} \)
\({\text{(b)Na}}{\mkern 1mu} \underline {{\text{Au}}} {\mkern 1mu} {\text{C}}{{\text{l}}_{\text{4}}}\,\,{\mkern 1mu} \)
\({\text{(c)R}}{{\text{b}}_{\text{4}}}{\text{Na}}\left[ {{\text{H}}\underline {{{\text{V}}_{{\text{10}}}}} {{\text{O}}_{{\text{28}}}}} \right]\,\,\)
\({\text{(d)}}\underline {\text{I}} {\text{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\)
\(\,{\text{(e)B}}{{\text{a}}_{\text{2}}}\underline {{\text{Xe}}} {{\text{O}}_{\text{6}}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \)
\({\mkern 1mu} {\text{(f)}}\underline {\text{O}} {{\text{F}}_{\text{2}}}\,\,\,\,\,\)
\({\rm{(g)Ca}}{\left( {\underline {{\rm{Cl}}{{\rm{O}}_{\rm{2}}}} } \right)_{\rm{2}}}\)
\({\rm{(h)}}\underline {\rm{N}} {\rm{O}}_2^ - \)

315158 \(4 \mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow 3 \mathrm{H}_{3} \mathrm{PO}_{4}+\mathrm{PH}_{3}\), in this reaction, phosphorus in \(\mathrm{H}_{3} \mathrm{PO}_{3}\) undergoes

315159 Oxidation numbers of potassium in \(\mathrm{\mathrm{K}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{O}_{2}}\) and \(\mathrm{\mathrm{KO}_{2}}\), respectively, are

315155 In the neutral or faintly alkaline medium, \(\mathrm{\mathrm{KMnO}_{4}}\) oxidses iodide into iodate. The change in oxidation state of manganese in this reaction is from

315156 In the conversion of \(\mathrm{\mathrm{Br}_{2}}\) to \(\mathrm{\mathrm{BrO}_{3}^{-}}\), the oxidation number of \(\mathrm{\mathrm{Br}}\) changes from

315157 Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements?
\(({\rm{a}}){\mkern 1mu} {{\rm{K}}_{\rm{4}}}\underline {{{\rm{P}}_{\rm{2}}}{{\rm{O}}_7}} \)
\({\text{(b)Na}}{\mkern 1mu} \underline {{\text{Au}}} {\mkern 1mu} {\text{C}}{{\text{l}}_{\text{4}}}\,\,{\mkern 1mu} \)
\({\text{(c)R}}{{\text{b}}_{\text{4}}}{\text{Na}}\left[ {{\text{H}}\underline {{{\text{V}}_{{\text{10}}}}} {{\text{O}}_{{\text{28}}}}} \right]\,\,\)
\({\text{(d)}}\underline {\text{I}} {\text{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\)
\(\,{\text{(e)B}}{{\text{a}}_{\text{2}}}\underline {{\text{Xe}}} {{\text{O}}_{\text{6}}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \)
\({\mkern 1mu} {\text{(f)}}\underline {\text{O}} {{\text{F}}_{\text{2}}}\,\,\,\,\,\)
\({\rm{(g)Ca}}{\left( {\underline {{\rm{Cl}}{{\rm{O}}_{\rm{2}}}} } \right)_{\rm{2}}}\)
\({\rm{(h)}}\underline {\rm{N}} {\rm{O}}_2^ - \)

315158 \(4 \mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow 3 \mathrm{H}_{3} \mathrm{PO}_{4}+\mathrm{PH}_{3}\), in this reaction, phosphorus in \(\mathrm{H}_{3} \mathrm{PO}_{3}\) undergoes

315159 Oxidation numbers of potassium in \(\mathrm{\mathrm{K}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{O}_{2}}\) and \(\mathrm{\mathrm{KO}_{2}}\), respectively, are

315155 In the neutral or faintly alkaline medium, \(\mathrm{\mathrm{KMnO}_{4}}\) oxidses iodide into iodate. The change in oxidation state of manganese in this reaction is from

315156 In the conversion of \(\mathrm{\mathrm{Br}_{2}}\) to \(\mathrm{\mathrm{BrO}_{3}^{-}}\), the oxidation number of \(\mathrm{\mathrm{Br}}\) changes from

315157 Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements?
\(({\rm{a}}){\mkern 1mu} {{\rm{K}}_{\rm{4}}}\underline {{{\rm{P}}_{\rm{2}}}{{\rm{O}}_7}} \)
\({\text{(b)Na}}{\mkern 1mu} \underline {{\text{Au}}} {\mkern 1mu} {\text{C}}{{\text{l}}_{\text{4}}}\,\,{\mkern 1mu} \)
\({\text{(c)R}}{{\text{b}}_{\text{4}}}{\text{Na}}\left[ {{\text{H}}\underline {{{\text{V}}_{{\text{10}}}}} {{\text{O}}_{{\text{28}}}}} \right]\,\,\)
\({\text{(d)}}\underline {\text{I}} {\text{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\)
\(\,{\text{(e)B}}{{\text{a}}_{\text{2}}}\underline {{\text{Xe}}} {{\text{O}}_{\text{6}}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \)
\({\mkern 1mu} {\text{(f)}}\underline {\text{O}} {{\text{F}}_{\text{2}}}\,\,\,\,\,\)
\({\rm{(g)Ca}}{\left( {\underline {{\rm{Cl}}{{\rm{O}}_{\rm{2}}}} } \right)_{\rm{2}}}\)
\({\rm{(h)}}\underline {\rm{N}} {\rm{O}}_2^ - \)

315158 \(4 \mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow 3 \mathrm{H}_{3} \mathrm{PO}_{4}+\mathrm{PH}_{3}\), in this reaction, phosphorus in \(\mathrm{H}_{3} \mathrm{PO}_{3}\) undergoes

315159 Oxidation numbers of potassium in \(\mathrm{\mathrm{K}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{O}_{2}}\) and \(\mathrm{\mathrm{KO}_{2}}\), respectively, are