Calculation of x-factor or Valency Factor and Equivalent Weight
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CHXI08:REDOX REACTIONS

315123 During the conversion of \(\,{\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}\) , the equivalent weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is
(molecular weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is M.)

1 \({\rm{M}}\,\)
2 \({\rm{M}}\,{\rm{/}}\,2\)
3 \({\rm{M}}\,{\rm{/}}\,{\rm{4}}\)
4 \({\rm{M}}\,{\rm{/}}\,5\)
CHXI08:REDOX REACTIONS

315124 The equivalent mass of a reductant or an oxidant is given by

1 Eq. mass =
\(\frac{{{\rm{molar}}\,\,{\rm{mass}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}}}{{\left( \begin{array}{l}{\rm{number}}\,\,{\rm{of}}\,\,{\rm{electrons}}\,\,{\rm{lost}}\,\,{\rm{or}}\,\,{\rm{gained}}\,\,{\rm{by}}\,\,\\{\rm{1}}\,\,{\rm{molecular}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}\end{array} \right)}}\)
2 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{valence}}}}\)
3 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}\)
4 \({\rm{Eq}}.\,{\rm{mass = }}\frac{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}{{{\rm{molar}}\,\,{\rm{mass}}}}\)
CHXI08:REDOX REACTIONS

315125 The equivalent mass of sulfur dioxide when it reacts with hydrogen sulfide to form sulfur and water is

1 64
2 16
3 128
4 32
CHXI08:REDOX REACTIONS

315126 Equivalent weight of \(\mathrm{\mathrm{FeC}_{2} \mathrm{O}_{4}}\) during its reaction with \(\mathrm{\mathrm{KMnO}_{4}}\) is

1 \(\mathrm{M / 3}\)
2 \(\mathrm{M / 1}\)
3 \(\mathrm{M / 2}\)
4 \(\mathrm{M / 4}\)
CHXI08:REDOX REACTIONS

315127 The equivalent weight of the salt \(\mathrm{\mathrm{KHC}_{2} \mathrm{O}_{4}}\). \(\mathrm{\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \cdot 4 \mathrm{H}_{2} \mathrm{O}}\) used as reducing agent is

1 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./1}}\)
2 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./2}}\)
3 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./3}}\)
4 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./4}}\)
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CHXI08:REDOX REACTIONS

315123 During the conversion of \(\,{\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}\) , the equivalent weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is
(molecular weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is M.)

1 \({\rm{M}}\,\)
2 \({\rm{M}}\,{\rm{/}}\,2\)
3 \({\rm{M}}\,{\rm{/}}\,{\rm{4}}\)
4 \({\rm{M}}\,{\rm{/}}\,5\)
CHXI08:REDOX REACTIONS

315124 The equivalent mass of a reductant or an oxidant is given by

1 Eq. mass =
\(\frac{{{\rm{molar}}\,\,{\rm{mass}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}}}{{\left( \begin{array}{l}{\rm{number}}\,\,{\rm{of}}\,\,{\rm{electrons}}\,\,{\rm{lost}}\,\,{\rm{or}}\,\,{\rm{gained}}\,\,{\rm{by}}\,\,\\{\rm{1}}\,\,{\rm{molecular}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}\end{array} \right)}}\)
2 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{valence}}}}\)
3 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}\)
4 \({\rm{Eq}}.\,{\rm{mass = }}\frac{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}{{{\rm{molar}}\,\,{\rm{mass}}}}\)
CHXI08:REDOX REACTIONS

315125 The equivalent mass of sulfur dioxide when it reacts with hydrogen sulfide to form sulfur and water is

1 64
2 16
3 128
4 32
CHXI08:REDOX REACTIONS

315126 Equivalent weight of \(\mathrm{\mathrm{FeC}_{2} \mathrm{O}_{4}}\) during its reaction with \(\mathrm{\mathrm{KMnO}_{4}}\) is

1 \(\mathrm{M / 3}\)
2 \(\mathrm{M / 1}\)
3 \(\mathrm{M / 2}\)
4 \(\mathrm{M / 4}\)
CHXI08:REDOX REACTIONS

315127 The equivalent weight of the salt \(\mathrm{\mathrm{KHC}_{2} \mathrm{O}_{4}}\). \(\mathrm{\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \cdot 4 \mathrm{H}_{2} \mathrm{O}}\) used as reducing agent is

1 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./1}}\)
2 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./2}}\)
3 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./3}}\)
4 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./4}}\)
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CHXI08:REDOX REACTIONS

315123 During the conversion of \(\,{\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}\) , the equivalent weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is
(molecular weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is M.)

1 \({\rm{M}}\,\)
2 \({\rm{M}}\,{\rm{/}}\,2\)
3 \({\rm{M}}\,{\rm{/}}\,{\rm{4}}\)
4 \({\rm{M}}\,{\rm{/}}\,5\)
CHXI08:REDOX REACTIONS

315124 The equivalent mass of a reductant or an oxidant is given by

1 Eq. mass =
\(\frac{{{\rm{molar}}\,\,{\rm{mass}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}}}{{\left( \begin{array}{l}{\rm{number}}\,\,{\rm{of}}\,\,{\rm{electrons}}\,\,{\rm{lost}}\,\,{\rm{or}}\,\,{\rm{gained}}\,\,{\rm{by}}\,\,\\{\rm{1}}\,\,{\rm{molecular}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}\end{array} \right)}}\)
2 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{valence}}}}\)
3 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}\)
4 \({\rm{Eq}}.\,{\rm{mass = }}\frac{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}{{{\rm{molar}}\,\,{\rm{mass}}}}\)
CHXI08:REDOX REACTIONS

315125 The equivalent mass of sulfur dioxide when it reacts with hydrogen sulfide to form sulfur and water is

1 64
2 16
3 128
4 32
CHXI08:REDOX REACTIONS

315126 Equivalent weight of \(\mathrm{\mathrm{FeC}_{2} \mathrm{O}_{4}}\) during its reaction with \(\mathrm{\mathrm{KMnO}_{4}}\) is

1 \(\mathrm{M / 3}\)
2 \(\mathrm{M / 1}\)
3 \(\mathrm{M / 2}\)
4 \(\mathrm{M / 4}\)
CHXI08:REDOX REACTIONS

315127 The equivalent weight of the salt \(\mathrm{\mathrm{KHC}_{2} \mathrm{O}_{4}}\). \(\mathrm{\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \cdot 4 \mathrm{H}_{2} \mathrm{O}}\) used as reducing agent is

1 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./1}}\)
2 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./2}}\)
3 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./3}}\)
4 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./4}}\)
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CHXI08:REDOX REACTIONS

315123 During the conversion of \(\,{\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}\) , the equivalent weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is
(molecular weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is M.)

1 \({\rm{M}}\,\)
2 \({\rm{M}}\,{\rm{/}}\,2\)
3 \({\rm{M}}\,{\rm{/}}\,{\rm{4}}\)
4 \({\rm{M}}\,{\rm{/}}\,5\)
CHXI08:REDOX REACTIONS

315124 The equivalent mass of a reductant or an oxidant is given by

1 Eq. mass =
\(\frac{{{\rm{molar}}\,\,{\rm{mass}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}}}{{\left( \begin{array}{l}{\rm{number}}\,\,{\rm{of}}\,\,{\rm{electrons}}\,\,{\rm{lost}}\,\,{\rm{or}}\,\,{\rm{gained}}\,\,{\rm{by}}\,\,\\{\rm{1}}\,\,{\rm{molecular}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}\end{array} \right)}}\)
2 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{valence}}}}\)
3 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}\)
4 \({\rm{Eq}}.\,{\rm{mass = }}\frac{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}{{{\rm{molar}}\,\,{\rm{mass}}}}\)
CHXI08:REDOX REACTIONS

315125 The equivalent mass of sulfur dioxide when it reacts with hydrogen sulfide to form sulfur and water is

1 64
2 16
3 128
4 32
CHXI08:REDOX REACTIONS

315126 Equivalent weight of \(\mathrm{\mathrm{FeC}_{2} \mathrm{O}_{4}}\) during its reaction with \(\mathrm{\mathrm{KMnO}_{4}}\) is

1 \(\mathrm{M / 3}\)
2 \(\mathrm{M / 1}\)
3 \(\mathrm{M / 2}\)
4 \(\mathrm{M / 4}\)
CHXI08:REDOX REACTIONS

315127 The equivalent weight of the salt \(\mathrm{\mathrm{KHC}_{2} \mathrm{O}_{4}}\). \(\mathrm{\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \cdot 4 \mathrm{H}_{2} \mathrm{O}}\) used as reducing agent is

1 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./1}}\)
2 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./2}}\)
3 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./3}}\)
4 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./4}}\)
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CHXI08:REDOX REACTIONS

315123 During the conversion of \(\,{\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}\) , the equivalent weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is
(molecular weight of \({\rm{N}}{{\rm{H}}_{\rm{2}}}{\rm{OH}}\) is M.)

1 \({\rm{M}}\,\)
2 \({\rm{M}}\,{\rm{/}}\,2\)
3 \({\rm{M}}\,{\rm{/}}\,{\rm{4}}\)
4 \({\rm{M}}\,{\rm{/}}\,5\)
CHXI08:REDOX REACTIONS

315124 The equivalent mass of a reductant or an oxidant is given by

1 Eq. mass =
\(\frac{{{\rm{molar}}\,\,{\rm{mass}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}}}{{\left( \begin{array}{l}{\rm{number}}\,\,{\rm{of}}\,\,{\rm{electrons}}\,\,{\rm{lost}}\,\,{\rm{or}}\,\,{\rm{gained}}\,\,{\rm{by}}\,\,\\{\rm{1}}\,\,{\rm{molecular}}\,\,{\rm{of}}\,\,{\rm{reductant}}\,\,{\rm{or}}\,\,{\rm{oxidant}}\end{array} \right)}}\)
2 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{valence}}}}\)
3 \({\rm{Eq}}.{\rm{mass = }}\frac{{{\rm{molar}}\,\,{\rm{mass}}}}{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}\)
4 \({\rm{Eq}}.\,{\rm{mass = }}\frac{{{\rm{total}}\,\,{\rm{charge}}\,\,{\rm{on}}\,\,{\rm{cation}}\,\,{\rm{or}}\,\,{\rm{anion}}}}{{{\rm{molar}}\,\,{\rm{mass}}}}\)
CHXI08:REDOX REACTIONS

315125 The equivalent mass of sulfur dioxide when it reacts with hydrogen sulfide to form sulfur and water is

1 64
2 16
3 128
4 32
CHXI08:REDOX REACTIONS

315126 Equivalent weight of \(\mathrm{\mathrm{FeC}_{2} \mathrm{O}_{4}}\) during its reaction with \(\mathrm{\mathrm{KMnO}_{4}}\) is

1 \(\mathrm{M / 3}\)
2 \(\mathrm{M / 1}\)
3 \(\mathrm{M / 2}\)
4 \(\mathrm{M / 4}\)
CHXI08:REDOX REACTIONS

315127 The equivalent weight of the salt \(\mathrm{\mathrm{KHC}_{2} \mathrm{O}_{4}}\). \(\mathrm{\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \cdot 4 \mathrm{H}_{2} \mathrm{O}}\) used as reducing agent is

1 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./1}}\)
2 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./2}}\)
3 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./3}}\)
4 \({\rm{Mol}}{\rm{.}}{\mkern 1mu} {\rm{wt}}{\rm{./4}}\)