Balancing of Redox Reactions
CHXI08:REDOX REACTIONS

315072 For the redox reaction
\(\rm{\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}}\)
the correct coefficients for the balanced reaction are
\(\,\,\,\,\,\,\,\,{\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,\,\,\,\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{\rm{O}}_{\rm{4}}^{{\rm{2 - }}}\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {{\rm{H}}^{\rm{ + }}}\)

1 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,{\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,16\)
2 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,2\)
3 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,{\mkern 1mu} 5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,2\)
4 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,5\)
CHXI08:REDOX REACTIONS

315074 In Balancing the reaction
\(\rm{\mathrm{XZn}+\mathrm{NO}_{3}^{-}+\mathrm{YH}^{+} \rightarrow \mathrm{XZn}^{2+}+\mathrm{NH}_{4}^{+}+\mathrm{ZH}_{2} \mathrm{O}}\)
\({\rm{X,}}\,\,{\rm{Y}}\,\,{\rm{\& }}\,\,{\rm{Z}}\) are

1 \(\mathrm{4,10,3}\)
2 \(\mathrm{3,8,3}\)
3 \(\mathrm{3,10,3}\)
4 \(\mathrm{4,3,10}\)
CHXI08:REDOX REACTIONS

315075 On balancing the given redox reaction,
\({\text{aC}}{{\text{r}}_{\text{2}}}{\text{O}}_{\text{7}}^{{\text{2 - }}}{\text{ + bSO}}_{\text{3}}^{{\text{2 - }}}{\text{(aq) + c}}{{\text{H}}^{\text{ + }}}{\text{(aq)}} \to \)
\({\text{2aC}}{{\text{r}}^{{\text{3 + }}}}{\text{(aq) + bSO}}_{\text{4}}^{{\text{2 - }}}{\text{(aq) + }}\frac{{\text{c}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
The coefficients \(\mathrm{a}, \mathrm{b}\) and \(\mathrm{c}\) are found to be, respectively

1 \(3,8,1\)
2 \(1,8,3\)
3 \(8,1,3\)
4 \(1,3,8\)
CHXI08:REDOX REACTIONS

315077 The values of \(\mathrm{a, b}\) and \(\mathrm{c}\) in the following balanced equation
\(\rm{a \mathrm{Fe}^{2+}+\mathrm{bH}^{+}+\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} \rightarrow \mathrm{Cr}^{3+}+\mathrm{cFe}^{3+}+\mathrm{H}_{2} \mathrm{O}}\)

1 \(\mathrm{2,14,6}\)
2 \(\mathrm{6,14,6}\)
3 \(\mathrm{14,6,6}\)
4 \(\mathrm{14,4,6}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI08:REDOX REACTIONS

315072 For the redox reaction
\(\rm{\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}}\)
the correct coefficients for the balanced reaction are
\(\,\,\,\,\,\,\,\,{\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,\,\,\,\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{\rm{O}}_{\rm{4}}^{{\rm{2 - }}}\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {{\rm{H}}^{\rm{ + }}}\)

1 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,{\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,16\)
2 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,2\)
3 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,{\mkern 1mu} 5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,2\)
4 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,5\)
CHXI08:REDOX REACTIONS

315074 In Balancing the reaction
\(\rm{\mathrm{XZn}+\mathrm{NO}_{3}^{-}+\mathrm{YH}^{+} \rightarrow \mathrm{XZn}^{2+}+\mathrm{NH}_{4}^{+}+\mathrm{ZH}_{2} \mathrm{O}}\)
\({\rm{X,}}\,\,{\rm{Y}}\,\,{\rm{\& }}\,\,{\rm{Z}}\) are

1 \(\mathrm{4,10,3}\)
2 \(\mathrm{3,8,3}\)
3 \(\mathrm{3,10,3}\)
4 \(\mathrm{4,3,10}\)
CHXI08:REDOX REACTIONS

315075 On balancing the given redox reaction,
\({\text{aC}}{{\text{r}}_{\text{2}}}{\text{O}}_{\text{7}}^{{\text{2 - }}}{\text{ + bSO}}_{\text{3}}^{{\text{2 - }}}{\text{(aq) + c}}{{\text{H}}^{\text{ + }}}{\text{(aq)}} \to \)
\({\text{2aC}}{{\text{r}}^{{\text{3 + }}}}{\text{(aq) + bSO}}_{\text{4}}^{{\text{2 - }}}{\text{(aq) + }}\frac{{\text{c}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
The coefficients \(\mathrm{a}, \mathrm{b}\) and \(\mathrm{c}\) are found to be, respectively

1 \(3,8,1\)
2 \(1,8,3\)
3 \(8,1,3\)
4 \(1,3,8\)
CHXI08:REDOX REACTIONS

315077 The values of \(\mathrm{a, b}\) and \(\mathrm{c}\) in the following balanced equation
\(\rm{a \mathrm{Fe}^{2+}+\mathrm{bH}^{+}+\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} \rightarrow \mathrm{Cr}^{3+}+\mathrm{cFe}^{3+}+\mathrm{H}_{2} \mathrm{O}}\)

1 \(\mathrm{2,14,6}\)
2 \(\mathrm{6,14,6}\)
3 \(\mathrm{14,6,6}\)
4 \(\mathrm{14,4,6}\)
CHXI08:REDOX REACTIONS

315072 For the redox reaction
\(\rm{\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}}\)
the correct coefficients for the balanced reaction are
\(\,\,\,\,\,\,\,\,{\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,\,\,\,\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{\rm{O}}_{\rm{4}}^{{\rm{2 - }}}\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {{\rm{H}}^{\rm{ + }}}\)

1 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,{\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,16\)
2 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,2\)
3 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,{\mkern 1mu} 5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,2\)
4 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,5\)
CHXI08:REDOX REACTIONS

315074 In Balancing the reaction
\(\rm{\mathrm{XZn}+\mathrm{NO}_{3}^{-}+\mathrm{YH}^{+} \rightarrow \mathrm{XZn}^{2+}+\mathrm{NH}_{4}^{+}+\mathrm{ZH}_{2} \mathrm{O}}\)
\({\rm{X,}}\,\,{\rm{Y}}\,\,{\rm{\& }}\,\,{\rm{Z}}\) are

1 \(\mathrm{4,10,3}\)
2 \(\mathrm{3,8,3}\)
3 \(\mathrm{3,10,3}\)
4 \(\mathrm{4,3,10}\)
CHXI08:REDOX REACTIONS

315075 On balancing the given redox reaction,
\({\text{aC}}{{\text{r}}_{\text{2}}}{\text{O}}_{\text{7}}^{{\text{2 - }}}{\text{ + bSO}}_{\text{3}}^{{\text{2 - }}}{\text{(aq) + c}}{{\text{H}}^{\text{ + }}}{\text{(aq)}} \to \)
\({\text{2aC}}{{\text{r}}^{{\text{3 + }}}}{\text{(aq) + bSO}}_{\text{4}}^{{\text{2 - }}}{\text{(aq) + }}\frac{{\text{c}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
The coefficients \(\mathrm{a}, \mathrm{b}\) and \(\mathrm{c}\) are found to be, respectively

1 \(3,8,1\)
2 \(1,8,3\)
3 \(8,1,3\)
4 \(1,3,8\)
CHXI08:REDOX REACTIONS

315077 The values of \(\mathrm{a, b}\) and \(\mathrm{c}\) in the following balanced equation
\(\rm{a \mathrm{Fe}^{2+}+\mathrm{bH}^{+}+\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} \rightarrow \mathrm{Cr}^{3+}+\mathrm{cFe}^{3+}+\mathrm{H}_{2} \mathrm{O}}\)

1 \(\mathrm{2,14,6}\)
2 \(\mathrm{6,14,6}\)
3 \(\mathrm{14,6,6}\)
4 \(\mathrm{14,4,6}\)
CHXI08:REDOX REACTIONS

315072 For the redox reaction
\(\rm{\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}}\)
the correct coefficients for the balanced reaction are
\(\,\,\,\,\,\,\,\,{\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,\,\,\,\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{\rm{O}}_{\rm{4}}^{{\rm{2 - }}}\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {{\rm{H}}^{\rm{ + }}}\)

1 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,{\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,16\)
2 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,2\)
3 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,{\mkern 1mu} 5{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,2\)
4 \({\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,2{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,16{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,5\)
CHXI08:REDOX REACTIONS

315074 In Balancing the reaction
\(\rm{\mathrm{XZn}+\mathrm{NO}_{3}^{-}+\mathrm{YH}^{+} \rightarrow \mathrm{XZn}^{2+}+\mathrm{NH}_{4}^{+}+\mathrm{ZH}_{2} \mathrm{O}}\)
\({\rm{X,}}\,\,{\rm{Y}}\,\,{\rm{\& }}\,\,{\rm{Z}}\) are

1 \(\mathrm{4,10,3}\)
2 \(\mathrm{3,8,3}\)
3 \(\mathrm{3,10,3}\)
4 \(\mathrm{4,3,10}\)
CHXI08:REDOX REACTIONS

315075 On balancing the given redox reaction,
\({\text{aC}}{{\text{r}}_{\text{2}}}{\text{O}}_{\text{7}}^{{\text{2 - }}}{\text{ + bSO}}_{\text{3}}^{{\text{2 - }}}{\text{(aq) + c}}{{\text{H}}^{\text{ + }}}{\text{(aq)}} \to \)
\({\text{2aC}}{{\text{r}}^{{\text{3 + }}}}{\text{(aq) + bSO}}_{\text{4}}^{{\text{2 - }}}{\text{(aq) + }}\frac{{\text{c}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
The coefficients \(\mathrm{a}, \mathrm{b}\) and \(\mathrm{c}\) are found to be, respectively

1 \(3,8,1\)
2 \(1,8,3\)
3 \(8,1,3\)
4 \(1,3,8\)
CHXI08:REDOX REACTIONS

315077 The values of \(\mathrm{a, b}\) and \(\mathrm{c}\) in the following balanced equation
\(\rm{a \mathrm{Fe}^{2+}+\mathrm{bH}^{+}+\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} \rightarrow \mathrm{Cr}^{3+}+\mathrm{cFe}^{3+}+\mathrm{H}_{2} \mathrm{O}}\)

1 \(\mathrm{2,14,6}\)
2 \(\mathrm{6,14,6}\)
3 \(\mathrm{14,6,6}\)
4 \(\mathrm{14,4,6}\)