Batteries
CHXII03:ELECTROCHEMISTRY

329932 An expensive but lighter alternate to the lead storage battery is the silver-zinc battery.
\({\rm{A}}{{\rm{g}}_{\rm{2}}}{\rm{O}}({\rm{s}}) + {\rm{Zn}}({\rm{s}}) + {{\rm{H}}_{\rm{2}}}{\rm{O}}({\rm{l}}) \to \)
\({\rm{Zn}}{({\rm{OH}})_2}({\rm{s}}) + 2{\rm{Ag}}({\rm{s}});\)
\({\rm{E}}^\circ = 1.5544\;{\rm{V}}\)
Numerical value of \(\Delta {\rm{G}}^\circ \) in scientific notation is \({\rm{x}} \times {10^{\rm{y}}}\;{\rm{J}}.\) What is the value of \({\rm{x}} + {\rm{y}}\) ?

1 6
2 8
3 3
4 5
CHXII03:ELECTROCHEMISTRY

329933 When an acid cell is charged then

1 voltage of cell increases
2 electrolyte of cell dilutes
3 resistance of cell increases
4 None of the above
CHXII03:ELECTROCHEMISTRY

329934 Which of the following is used widely in the manufacture of lead storage battery?

1 Arsenic
2 Lithium
3 Bismuth
4 Antimony
CHXII03:ELECTROCHEMISTRY

329935 When a lead storage battery is discharged,

1 Lead sulphate is formed
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\) gas is evolved
3 Lead sulphate is consumed
4 Lead sulphide is formed
CHXII03:ELECTROCHEMISTRY

329932 An expensive but lighter alternate to the lead storage battery is the silver-zinc battery.
\({\rm{A}}{{\rm{g}}_{\rm{2}}}{\rm{O}}({\rm{s}}) + {\rm{Zn}}({\rm{s}}) + {{\rm{H}}_{\rm{2}}}{\rm{O}}({\rm{l}}) \to \)
\({\rm{Zn}}{({\rm{OH}})_2}({\rm{s}}) + 2{\rm{Ag}}({\rm{s}});\)
\({\rm{E}}^\circ = 1.5544\;{\rm{V}}\)
Numerical value of \(\Delta {\rm{G}}^\circ \) in scientific notation is \({\rm{x}} \times {10^{\rm{y}}}\;{\rm{J}}.\) What is the value of \({\rm{x}} + {\rm{y}}\) ?

1 6
2 8
3 3
4 5
CHXII03:ELECTROCHEMISTRY

329933 When an acid cell is charged then

1 voltage of cell increases
2 electrolyte of cell dilutes
3 resistance of cell increases
4 None of the above
CHXII03:ELECTROCHEMISTRY

329934 Which of the following is used widely in the manufacture of lead storage battery?

1 Arsenic
2 Lithium
3 Bismuth
4 Antimony
CHXII03:ELECTROCHEMISTRY

329935 When a lead storage battery is discharged,

1 Lead sulphate is formed
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\) gas is evolved
3 Lead sulphate is consumed
4 Lead sulphide is formed
CHXII03:ELECTROCHEMISTRY

329932 An expensive but lighter alternate to the lead storage battery is the silver-zinc battery.
\({\rm{A}}{{\rm{g}}_{\rm{2}}}{\rm{O}}({\rm{s}}) + {\rm{Zn}}({\rm{s}}) + {{\rm{H}}_{\rm{2}}}{\rm{O}}({\rm{l}}) \to \)
\({\rm{Zn}}{({\rm{OH}})_2}({\rm{s}}) + 2{\rm{Ag}}({\rm{s}});\)
\({\rm{E}}^\circ = 1.5544\;{\rm{V}}\)
Numerical value of \(\Delta {\rm{G}}^\circ \) in scientific notation is \({\rm{x}} \times {10^{\rm{y}}}\;{\rm{J}}.\) What is the value of \({\rm{x}} + {\rm{y}}\) ?

1 6
2 8
3 3
4 5
CHXII03:ELECTROCHEMISTRY

329933 When an acid cell is charged then

1 voltage of cell increases
2 electrolyte of cell dilutes
3 resistance of cell increases
4 None of the above
CHXII03:ELECTROCHEMISTRY

329934 Which of the following is used widely in the manufacture of lead storage battery?

1 Arsenic
2 Lithium
3 Bismuth
4 Antimony
CHXII03:ELECTROCHEMISTRY

329935 When a lead storage battery is discharged,

1 Lead sulphate is formed
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\) gas is evolved
3 Lead sulphate is consumed
4 Lead sulphide is formed
CHXII03:ELECTROCHEMISTRY

329932 An expensive but lighter alternate to the lead storage battery is the silver-zinc battery.
\({\rm{A}}{{\rm{g}}_{\rm{2}}}{\rm{O}}({\rm{s}}) + {\rm{Zn}}({\rm{s}}) + {{\rm{H}}_{\rm{2}}}{\rm{O}}({\rm{l}}) \to \)
\({\rm{Zn}}{({\rm{OH}})_2}({\rm{s}}) + 2{\rm{Ag}}({\rm{s}});\)
\({\rm{E}}^\circ = 1.5544\;{\rm{V}}\)
Numerical value of \(\Delta {\rm{G}}^\circ \) in scientific notation is \({\rm{x}} \times {10^{\rm{y}}}\;{\rm{J}}.\) What is the value of \({\rm{x}} + {\rm{y}}\) ?

1 6
2 8
3 3
4 5
CHXII03:ELECTROCHEMISTRY

329933 When an acid cell is charged then

1 voltage of cell increases
2 electrolyte of cell dilutes
3 resistance of cell increases
4 None of the above
CHXII03:ELECTROCHEMISTRY

329934 Which of the following is used widely in the manufacture of lead storage battery?

1 Arsenic
2 Lithium
3 Bismuth
4 Antimony
CHXII03:ELECTROCHEMISTRY

329935 When a lead storage battery is discharged,

1 Lead sulphate is formed
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\) gas is evolved
3 Lead sulphate is consumed
4 Lead sulphide is formed