00. Electrode Potential
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ELECTROCHEMISTRY

275941 An aqueous solution containing $6.5 \mathrm{~g}$ of $\mathrm{NaCl}$ of $90 \%$ purity was subjected to electrolysis. After the complete electrolysis, the solution was evaporated to get solid $\mathrm{NaOH}$. The volume of $1 \mathrm{M}$ acetic acid required to neutralize $\mathrm{NaOH}$ obtained above is

1 $1000 \mathrm{~cm}^{3}$
2 $2000 \mathrm{~cm}^{3}$
3 $100 \mathrm{~cm}^{3}$
4 $200 \mathrm{~cm}^{3}$
Karnataka CET-2009
ELECTROCHEMISTRY

275961 The standard electrode potential of hydrogen electrode at $1 \mathrm{M}$ concentration and hydrogen gas at 1 atmosphere pressure is

1 1 Volt
2 6 Volt
3 8 Volt
4 0 Volt
J and K CET-(2007)
ELECTROCHEMISTRY

275962 The standard oxidation potentials of $\mathrm{Zn}, \mathrm{Cu}$, $\mathrm{Ag}$ and $\mathrm{Ni}$ electrodes are $+\mathbf{0 . 7 6}, 0.34,-0.80$ and $+0.25 \mathrm{~V}$ respectively. Which of the following reaction will provide maximum voltage?

1 $\mathrm{Cu}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
2 $\mathrm{Zn}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
3 $\mathrm{H}_{2}+\mathrm{Ni}^{2+}$ (aq) $\rightarrow 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Ni}$
4 $\mathrm{Zn}+\mathrm{Cu}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Cu}$
5 $\mathrm{Zn}+2 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{H}_{2}$
Kerala-CEE-2007
ELECTROCHEMISTRY

275963 The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The order of their reducing power is

1 $\mathrm{A}>\mathrm{B}>\mathrm{C}$
2 $\mathrm{A}>\mathrm{C}>\mathrm{B}$
3 $\mathrm{C}>\mathrm{B}>\mathrm{A}$
4 $\mathrm{B}>\mathrm{C}>\mathrm{A}$
MHT CET-2007
ELECTROCHEMISTRY

275965 In electrolytic cell, cathode acts as an/a

1 oxidising agent
2 reducing agent
3 either of the two
4 Neither (a) nor (b)
UP CPMT-2007
NEET DIGITAL LIBRARY
ELECTROCHEMISTRY

275941 An aqueous solution containing $6.5 \mathrm{~g}$ of $\mathrm{NaCl}$ of $90 \%$ purity was subjected to electrolysis. After the complete electrolysis, the solution was evaporated to get solid $\mathrm{NaOH}$. The volume of $1 \mathrm{M}$ acetic acid required to neutralize $\mathrm{NaOH}$ obtained above is

1 $1000 \mathrm{~cm}^{3}$
2 $2000 \mathrm{~cm}^{3}$
3 $100 \mathrm{~cm}^{3}$
4 $200 \mathrm{~cm}^{3}$
Karnataka CET-2009
ELECTROCHEMISTRY

275961 The standard electrode potential of hydrogen electrode at $1 \mathrm{M}$ concentration and hydrogen gas at 1 atmosphere pressure is

1 1 Volt
2 6 Volt
3 8 Volt
4 0 Volt
J and K CET-(2007)
ELECTROCHEMISTRY

275962 The standard oxidation potentials of $\mathrm{Zn}, \mathrm{Cu}$, $\mathrm{Ag}$ and $\mathrm{Ni}$ electrodes are $+\mathbf{0 . 7 6}, 0.34,-0.80$ and $+0.25 \mathrm{~V}$ respectively. Which of the following reaction will provide maximum voltage?

1 $\mathrm{Cu}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
2 $\mathrm{Zn}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
3 $\mathrm{H}_{2}+\mathrm{Ni}^{2+}$ (aq) $\rightarrow 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Ni}$
4 $\mathrm{Zn}+\mathrm{Cu}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Cu}$
5 $\mathrm{Zn}+2 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{H}_{2}$
Kerala-CEE-2007
ELECTROCHEMISTRY

275963 The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The order of their reducing power is

1 $\mathrm{A}>\mathrm{B}>\mathrm{C}$
2 $\mathrm{A}>\mathrm{C}>\mathrm{B}$
3 $\mathrm{C}>\mathrm{B}>\mathrm{A}$
4 $\mathrm{B}>\mathrm{C}>\mathrm{A}$
MHT CET-2007
ELECTROCHEMISTRY

275965 In electrolytic cell, cathode acts as an/a

1 oxidising agent
2 reducing agent
3 either of the two
4 Neither (a) nor (b)
UP CPMT-2007
Join With Us for More Updates
ELECTROCHEMISTRY

275941 An aqueous solution containing $6.5 \mathrm{~g}$ of $\mathrm{NaCl}$ of $90 \%$ purity was subjected to electrolysis. After the complete electrolysis, the solution was evaporated to get solid $\mathrm{NaOH}$. The volume of $1 \mathrm{M}$ acetic acid required to neutralize $\mathrm{NaOH}$ obtained above is

1 $1000 \mathrm{~cm}^{3}$
2 $2000 \mathrm{~cm}^{3}$
3 $100 \mathrm{~cm}^{3}$
4 $200 \mathrm{~cm}^{3}$
Karnataka CET-2009
ELECTROCHEMISTRY

275961 The standard electrode potential of hydrogen electrode at $1 \mathrm{M}$ concentration and hydrogen gas at 1 atmosphere pressure is

1 1 Volt
2 6 Volt
3 8 Volt
4 0 Volt
J and K CET-(2007)
ELECTROCHEMISTRY

275962 The standard oxidation potentials of $\mathrm{Zn}, \mathrm{Cu}$, $\mathrm{Ag}$ and $\mathrm{Ni}$ electrodes are $+\mathbf{0 . 7 6}, 0.34,-0.80$ and $+0.25 \mathrm{~V}$ respectively. Which of the following reaction will provide maximum voltage?

1 $\mathrm{Cu}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
2 $\mathrm{Zn}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
3 $\mathrm{H}_{2}+\mathrm{Ni}^{2+}$ (aq) $\rightarrow 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Ni}$
4 $\mathrm{Zn}+\mathrm{Cu}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Cu}$
5 $\mathrm{Zn}+2 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{H}_{2}$
Kerala-CEE-2007
ELECTROCHEMISTRY

275963 The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The order of their reducing power is

1 $\mathrm{A}>\mathrm{B}>\mathrm{C}$
2 $\mathrm{A}>\mathrm{C}>\mathrm{B}$
3 $\mathrm{C}>\mathrm{B}>\mathrm{A}$
4 $\mathrm{B}>\mathrm{C}>\mathrm{A}$
MHT CET-2007
ELECTROCHEMISTRY

275965 In electrolytic cell, cathode acts as an/a

1 oxidising agent
2 reducing agent
3 either of the two
4 Neither (a) nor (b)
UP CPMT-2007
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
ELECTROCHEMISTRY

275941 An aqueous solution containing $6.5 \mathrm{~g}$ of $\mathrm{NaCl}$ of $90 \%$ purity was subjected to electrolysis. After the complete electrolysis, the solution was evaporated to get solid $\mathrm{NaOH}$. The volume of $1 \mathrm{M}$ acetic acid required to neutralize $\mathrm{NaOH}$ obtained above is

1 $1000 \mathrm{~cm}^{3}$
2 $2000 \mathrm{~cm}^{3}$
3 $100 \mathrm{~cm}^{3}$
4 $200 \mathrm{~cm}^{3}$
Karnataka CET-2009
ELECTROCHEMISTRY

275961 The standard electrode potential of hydrogen electrode at $1 \mathrm{M}$ concentration and hydrogen gas at 1 atmosphere pressure is

1 1 Volt
2 6 Volt
3 8 Volt
4 0 Volt
J and K CET-(2007)
ELECTROCHEMISTRY

275962 The standard oxidation potentials of $\mathrm{Zn}, \mathrm{Cu}$, $\mathrm{Ag}$ and $\mathrm{Ni}$ electrodes are $+\mathbf{0 . 7 6}, 0.34,-0.80$ and $+0.25 \mathrm{~V}$ respectively. Which of the following reaction will provide maximum voltage?

1 $\mathrm{Cu}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
2 $\mathrm{Zn}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
3 $\mathrm{H}_{2}+\mathrm{Ni}^{2+}$ (aq) $\rightarrow 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Ni}$
4 $\mathrm{Zn}+\mathrm{Cu}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Cu}$
5 $\mathrm{Zn}+2 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{H}_{2}$
Kerala-CEE-2007
ELECTROCHEMISTRY

275963 The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The order of their reducing power is

1 $\mathrm{A}>\mathrm{B}>\mathrm{C}$
2 $\mathrm{A}>\mathrm{C}>\mathrm{B}$
3 $\mathrm{C}>\mathrm{B}>\mathrm{A}$
4 $\mathrm{B}>\mathrm{C}>\mathrm{A}$
MHT CET-2007
ELECTROCHEMISTRY

275965 In electrolytic cell, cathode acts as an/a

1 oxidising agent
2 reducing agent
3 either of the two
4 Neither (a) nor (b)
UP CPMT-2007
NEET DIGITAL LIBRARY
ELECTROCHEMISTRY

275941 An aqueous solution containing $6.5 \mathrm{~g}$ of $\mathrm{NaCl}$ of $90 \%$ purity was subjected to electrolysis. After the complete electrolysis, the solution was evaporated to get solid $\mathrm{NaOH}$. The volume of $1 \mathrm{M}$ acetic acid required to neutralize $\mathrm{NaOH}$ obtained above is

1 $1000 \mathrm{~cm}^{3}$
2 $2000 \mathrm{~cm}^{3}$
3 $100 \mathrm{~cm}^{3}$
4 $200 \mathrm{~cm}^{3}$
Karnataka CET-2009
ELECTROCHEMISTRY

275961 The standard electrode potential of hydrogen electrode at $1 \mathrm{M}$ concentration and hydrogen gas at 1 atmosphere pressure is

1 1 Volt
2 6 Volt
3 8 Volt
4 0 Volt
J and K CET-(2007)
ELECTROCHEMISTRY

275962 The standard oxidation potentials of $\mathrm{Zn}, \mathrm{Cu}$, $\mathrm{Ag}$ and $\mathrm{Ni}$ electrodes are $+\mathbf{0 . 7 6}, 0.34,-0.80$ and $+0.25 \mathrm{~V}$ respectively. Which of the following reaction will provide maximum voltage?

1 $\mathrm{Cu}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
2 $\mathrm{Zn}+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}$
3 $\mathrm{H}_{2}+\mathrm{Ni}^{2+}$ (aq) $\rightarrow 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Ni}$
4 $\mathrm{Zn}+\mathrm{Cu}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Cu}$
5 $\mathrm{Zn}+2 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{H}_{2}$
Kerala-CEE-2007
ELECTROCHEMISTRY

275963 The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The order of their reducing power is

1 $\mathrm{A}>\mathrm{B}>\mathrm{C}$
2 $\mathrm{A}>\mathrm{C}>\mathrm{B}$
3 $\mathrm{C}>\mathrm{B}>\mathrm{A}$
4 $\mathrm{B}>\mathrm{C}>\mathrm{A}$
MHT CET-2007
ELECTROCHEMISTRY

275965 In electrolytic cell, cathode acts as an/a

1 oxidising agent
2 reducing agent
3 either of the two
4 Neither (a) nor (b)
UP CPMT-2007