Electrochemical Series and Applications
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NEET DIGITAL LIBRARY
CHXII03:ELECTROCHEMISTRY

330116 When a piece of copper wire is immersed in a silver nitrate solution, the colour of the solution turns blue due to

1 Oxidation of silver
2 Reduction of copper
3 Oxidation of copper
4 Formation of a soluble complex
CHXII03:ELECTROCHEMISTRY

330117 What is the standard reduction potential \({\rm{(}}{{\rm{E}}^{\rm{o}}}{\rm{)}}\) \({\rm{for}}\,\,{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}} \to {\rm{Fe}}\) ?
Given that :
\({\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^{\rm{ - }}} \to {\rm{Fe;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{/Fe}}}^{\rm{o}}{\rm{ = - 0}}{\rm{.47V}}\)
\({\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{ + }}{{\rm{e}}^{\rm{ - }}} \to {\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}}^{\rm{o}}{\rm{ = + 0}}{\rm{.77V}}\)

1 \({\rm{ - 0}}{\rm{.057}}\,\,{\rm{V}}\)
2 \({\rm{ + 0}}{\rm{.30}}\,\,{\rm{V}}\)
3 \({\rm{ - 0}}{\rm{.30}}\,\,{\rm{V}}\)
4 \({\rm{ + 0}}{\rm{.057}}\,\,{\rm{V}}\)
JEE - 2017
CHXII03:ELECTROCHEMISTRY

330118 Which of the following cannot be considered as an application of electrochemical series?

1 Relative strength of reducing agent
2 Use of SHE in automobile battery
3 Relative strength of oxidising agent
4 Spontaneity of redox reaction
MHTCET - 2022
CHXII03:ELECTROCHEMISTRY

330119 Match the following Column I with type of electrolyte in Column II and choose the correct option from the codes given below.
Column I
Column II
A
\({\rm{NaCl}}\)
P
2-1 electrolyte
B
\({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
Q
2-2 electrolyte
C
\({\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
R
1-1 electrolyte

1 A - P, B - R, C - Q
2 A - R, B - Q, C - P
3 A - R, B - P, C - Q
4 A - P, B - Q, C - R
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CHXII03:ELECTROCHEMISTRY

330116 When a piece of copper wire is immersed in a silver nitrate solution, the colour of the solution turns blue due to

1 Oxidation of silver
2 Reduction of copper
3 Oxidation of copper
4 Formation of a soluble complex
CHXII03:ELECTROCHEMISTRY

330117 What is the standard reduction potential \({\rm{(}}{{\rm{E}}^{\rm{o}}}{\rm{)}}\) \({\rm{for}}\,\,{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}} \to {\rm{Fe}}\) ?
Given that :
\({\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^{\rm{ - }}} \to {\rm{Fe;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{/Fe}}}^{\rm{o}}{\rm{ = - 0}}{\rm{.47V}}\)
\({\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{ + }}{{\rm{e}}^{\rm{ - }}} \to {\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}}^{\rm{o}}{\rm{ = + 0}}{\rm{.77V}}\)

1 \({\rm{ - 0}}{\rm{.057}}\,\,{\rm{V}}\)
2 \({\rm{ + 0}}{\rm{.30}}\,\,{\rm{V}}\)
3 \({\rm{ - 0}}{\rm{.30}}\,\,{\rm{V}}\)
4 \({\rm{ + 0}}{\rm{.057}}\,\,{\rm{V}}\)
JEE - 2017
CHXII03:ELECTROCHEMISTRY

330118 Which of the following cannot be considered as an application of electrochemical series?

1 Relative strength of reducing agent
2 Use of SHE in automobile battery
3 Relative strength of oxidising agent
4 Spontaneity of redox reaction
MHTCET - 2022
CHXII03:ELECTROCHEMISTRY

330119 Match the following Column I with type of electrolyte in Column II and choose the correct option from the codes given below.
Column I
Column II
A
\({\rm{NaCl}}\)
P
2-1 electrolyte
B
\({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
Q
2-2 electrolyte
C
\({\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
R
1-1 electrolyte

1 A - P, B - R, C - Q
2 A - R, B - Q, C - P
3 A - R, B - P, C - Q
4 A - P, B - Q, C - R
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CHXII03:ELECTROCHEMISTRY

330116 When a piece of copper wire is immersed in a silver nitrate solution, the colour of the solution turns blue due to

1 Oxidation of silver
2 Reduction of copper
3 Oxidation of copper
4 Formation of a soluble complex
CHXII03:ELECTROCHEMISTRY

330117 What is the standard reduction potential \({\rm{(}}{{\rm{E}}^{\rm{o}}}{\rm{)}}\) \({\rm{for}}\,\,{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}} \to {\rm{Fe}}\) ?
Given that :
\({\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^{\rm{ - }}} \to {\rm{Fe;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{/Fe}}}^{\rm{o}}{\rm{ = - 0}}{\rm{.47V}}\)
\({\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{ + }}{{\rm{e}}^{\rm{ - }}} \to {\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}}^{\rm{o}}{\rm{ = + 0}}{\rm{.77V}}\)

1 \({\rm{ - 0}}{\rm{.057}}\,\,{\rm{V}}\)
2 \({\rm{ + 0}}{\rm{.30}}\,\,{\rm{V}}\)
3 \({\rm{ - 0}}{\rm{.30}}\,\,{\rm{V}}\)
4 \({\rm{ + 0}}{\rm{.057}}\,\,{\rm{V}}\)
JEE - 2017
CHXII03:ELECTROCHEMISTRY

330118 Which of the following cannot be considered as an application of electrochemical series?

1 Relative strength of reducing agent
2 Use of SHE in automobile battery
3 Relative strength of oxidising agent
4 Spontaneity of redox reaction
MHTCET - 2022
CHXII03:ELECTROCHEMISTRY

330119 Match the following Column I with type of electrolyte in Column II and choose the correct option from the codes given below.
Column I
Column II
A
\({\rm{NaCl}}\)
P
2-1 electrolyte
B
\({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
Q
2-2 electrolyte
C
\({\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
R
1-1 electrolyte

1 A - P, B - R, C - Q
2 A - R, B - Q, C - P
3 A - R, B - P, C - Q
4 A - P, B - Q, C - R
NEET DIGITAL LIBRARY
CHXII03:ELECTROCHEMISTRY

330116 When a piece of copper wire is immersed in a silver nitrate solution, the colour of the solution turns blue due to

1 Oxidation of silver
2 Reduction of copper
3 Oxidation of copper
4 Formation of a soluble complex
CHXII03:ELECTROCHEMISTRY

330117 What is the standard reduction potential \({\rm{(}}{{\rm{E}}^{\rm{o}}}{\rm{)}}\) \({\rm{for}}\,\,{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}} \to {\rm{Fe}}\) ?
Given that :
\({\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^{\rm{ - }}} \to {\rm{Fe;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{/Fe}}}^{\rm{o}}{\rm{ = - 0}}{\rm{.47V}}\)
\({\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{ + }}{{\rm{e}}^{\rm{ - }}} \to {\rm{F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{;E}}_{{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}}^{\rm{o}}{\rm{ = + 0}}{\rm{.77V}}\)

1 \({\rm{ - 0}}{\rm{.057}}\,\,{\rm{V}}\)
2 \({\rm{ + 0}}{\rm{.30}}\,\,{\rm{V}}\)
3 \({\rm{ - 0}}{\rm{.30}}\,\,{\rm{V}}\)
4 \({\rm{ + 0}}{\rm{.057}}\,\,{\rm{V}}\)
JEE - 2017
CHXII03:ELECTROCHEMISTRY

330118 Which of the following cannot be considered as an application of electrochemical series?

1 Relative strength of reducing agent
2 Use of SHE in automobile battery
3 Relative strength of oxidising agent
4 Spontaneity of redox reaction
MHTCET - 2022
CHXII03:ELECTROCHEMISTRY

330119 Match the following Column I with type of electrolyte in Column II and choose the correct option from the codes given below.
Column I
Column II
A
\({\rm{NaCl}}\)
P
2-1 electrolyte
B
\({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
Q
2-2 electrolyte
C
\({\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
R
1-1 electrolyte

1 A - P, B - R, C - Q
2 A - R, B - Q, C - P
3 A - R, B - P, C - Q
4 A - P, B - Q, C - R
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