Redox Reactions and Electrode Processes
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CHXI08:REDOX REACTIONS

315390 Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\({\rm{E}}^\circ {\rm{values}}:{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ = + 0}}.{\rm{77}};\)
\({{\rm{I}}_{\rm{2}}}{\rm{/}}{{\rm{I}}^{\rm{ - }}}{\rm{ = + 0}}.{\rm{54}};\)
\({\rm{C}}{{\rm{u}}^{{\rm{2 + }}}}{\rm{/Cu = + 0}}.{\rm{34}};\)
\({\rm{A}}{{\rm{g}}^{\rm{ + }}}{\rm{/Ag = + 0}}.{\rm{80}}\;{\rm{V}}\)

1 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{I}^{-}}\)
2 \(\mathrm{\mathrm{Ag}^{+}}\)and \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{Cu}}\)
4 \(\mathrm{\mathrm{Ag}}\) and \(\mathrm{\mathrm{Fe}^{3+}}\)
CHXI08:REDOX REACTIONS

315391 Assertion :
Lithium ion is a poor oxidising agent.
Reason :
Lithium ion has the lowest electrode potential.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI08:REDOX REACTIONS

315392 Consider the following statement(s)
(A) Iron reacts with dilute \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) to evolve \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})}\) but \(\mathrm{\mathrm{Ag}}\) does not
(B) Copper dissolves in dilute \(\mathrm{\mathrm{HNO}_{3}}\) but not in dilute \(\mathrm{\mathrm{HCl}}\).
(C) Amongst the halogens, fluorine is the best oxidant because it is the most known as electronegative element
Choose the correct statement(s)

1 A & B
2 B & C
3 A & C
4 A, B & C
CHXI08:REDOX REACTIONS

315393 Which reaction is not feasible?

1 \(\mathrm{2 \mathrm{KI}+\mathrm{Br}_{2} \rightarrow 2 \mathrm{KBr}+\mathrm{I}_{2}}\)
2 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Br}_{2}}\)
4 \(\mathrm{2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{~F}_{2} \rightarrow 4 \mathrm{HF}+\mathrm{O}_{2}}\)
CHXI08:REDOX REACTIONS

315394 Which of the following reaction will not take place?

1 \(\mathrm{\mathrm{Fe}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{FeSO}_{4}+\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{Cu}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{Ag}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
4 \(\mathrm{\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}}\)
NEET DIGITAL LIBRARY
CHXI08:REDOX REACTIONS

315390 Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\({\rm{E}}^\circ {\rm{values}}:{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ = + 0}}.{\rm{77}};\)
\({{\rm{I}}_{\rm{2}}}{\rm{/}}{{\rm{I}}^{\rm{ - }}}{\rm{ = + 0}}.{\rm{54}};\)
\({\rm{C}}{{\rm{u}}^{{\rm{2 + }}}}{\rm{/Cu = + 0}}.{\rm{34}};\)
\({\rm{A}}{{\rm{g}}^{\rm{ + }}}{\rm{/Ag = + 0}}.{\rm{80}}\;{\rm{V}}\)

1 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{I}^{-}}\)
2 \(\mathrm{\mathrm{Ag}^{+}}\)and \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{Cu}}\)
4 \(\mathrm{\mathrm{Ag}}\) and \(\mathrm{\mathrm{Fe}^{3+}}\)
CHXI08:REDOX REACTIONS

315391 Assertion :
Lithium ion is a poor oxidising agent.
Reason :
Lithium ion has the lowest electrode potential.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI08:REDOX REACTIONS

315392 Consider the following statement(s)
(A) Iron reacts with dilute \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) to evolve \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})}\) but \(\mathrm{\mathrm{Ag}}\) does not
(B) Copper dissolves in dilute \(\mathrm{\mathrm{HNO}_{3}}\) but not in dilute \(\mathrm{\mathrm{HCl}}\).
(C) Amongst the halogens, fluorine is the best oxidant because it is the most known as electronegative element
Choose the correct statement(s)

1 A & B
2 B & C
3 A & C
4 A, B & C
CHXI08:REDOX REACTIONS

315393 Which reaction is not feasible?

1 \(\mathrm{2 \mathrm{KI}+\mathrm{Br}_{2} \rightarrow 2 \mathrm{KBr}+\mathrm{I}_{2}}\)
2 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Br}_{2}}\)
4 \(\mathrm{2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{~F}_{2} \rightarrow 4 \mathrm{HF}+\mathrm{O}_{2}}\)
CHXI08:REDOX REACTIONS

315394 Which of the following reaction will not take place?

1 \(\mathrm{\mathrm{Fe}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{FeSO}_{4}+\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{Cu}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{Ag}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
4 \(\mathrm{\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}}\)
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CHXI08:REDOX REACTIONS

315390 Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\({\rm{E}}^\circ {\rm{values}}:{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ = + 0}}.{\rm{77}};\)
\({{\rm{I}}_{\rm{2}}}{\rm{/}}{{\rm{I}}^{\rm{ - }}}{\rm{ = + 0}}.{\rm{54}};\)
\({\rm{C}}{{\rm{u}}^{{\rm{2 + }}}}{\rm{/Cu = + 0}}.{\rm{34}};\)
\({\rm{A}}{{\rm{g}}^{\rm{ + }}}{\rm{/Ag = + 0}}.{\rm{80}}\;{\rm{V}}\)

1 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{I}^{-}}\)
2 \(\mathrm{\mathrm{Ag}^{+}}\)and \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{Cu}}\)
4 \(\mathrm{\mathrm{Ag}}\) and \(\mathrm{\mathrm{Fe}^{3+}}\)
CHXI08:REDOX REACTIONS

315391 Assertion :
Lithium ion is a poor oxidising agent.
Reason :
Lithium ion has the lowest electrode potential.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI08:REDOX REACTIONS

315392 Consider the following statement(s)
(A) Iron reacts with dilute \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) to evolve \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})}\) but \(\mathrm{\mathrm{Ag}}\) does not
(B) Copper dissolves in dilute \(\mathrm{\mathrm{HNO}_{3}}\) but not in dilute \(\mathrm{\mathrm{HCl}}\).
(C) Amongst the halogens, fluorine is the best oxidant because it is the most known as electronegative element
Choose the correct statement(s)

1 A & B
2 B & C
3 A & C
4 A, B & C
CHXI08:REDOX REACTIONS

315393 Which reaction is not feasible?

1 \(\mathrm{2 \mathrm{KI}+\mathrm{Br}_{2} \rightarrow 2 \mathrm{KBr}+\mathrm{I}_{2}}\)
2 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Br}_{2}}\)
4 \(\mathrm{2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{~F}_{2} \rightarrow 4 \mathrm{HF}+\mathrm{O}_{2}}\)
CHXI08:REDOX REACTIONS

315394 Which of the following reaction will not take place?

1 \(\mathrm{\mathrm{Fe}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{FeSO}_{4}+\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{Cu}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{Ag}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
4 \(\mathrm{\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}}\)
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CHXI08:REDOX REACTIONS

315390 Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\({\rm{E}}^\circ {\rm{values}}:{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ = + 0}}.{\rm{77}};\)
\({{\rm{I}}_{\rm{2}}}{\rm{/}}{{\rm{I}}^{\rm{ - }}}{\rm{ = + 0}}.{\rm{54}};\)
\({\rm{C}}{{\rm{u}}^{{\rm{2 + }}}}{\rm{/Cu = + 0}}.{\rm{34}};\)
\({\rm{A}}{{\rm{g}}^{\rm{ + }}}{\rm{/Ag = + 0}}.{\rm{80}}\;{\rm{V}}\)

1 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{I}^{-}}\)
2 \(\mathrm{\mathrm{Ag}^{+}}\)and \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{Cu}}\)
4 \(\mathrm{\mathrm{Ag}}\) and \(\mathrm{\mathrm{Fe}^{3+}}\)
CHXI08:REDOX REACTIONS

315391 Assertion :
Lithium ion is a poor oxidising agent.
Reason :
Lithium ion has the lowest electrode potential.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI08:REDOX REACTIONS

315392 Consider the following statement(s)
(A) Iron reacts with dilute \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) to evolve \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})}\) but \(\mathrm{\mathrm{Ag}}\) does not
(B) Copper dissolves in dilute \(\mathrm{\mathrm{HNO}_{3}}\) but not in dilute \(\mathrm{\mathrm{HCl}}\).
(C) Amongst the halogens, fluorine is the best oxidant because it is the most known as electronegative element
Choose the correct statement(s)

1 A & B
2 B & C
3 A & C
4 A, B & C
CHXI08:REDOX REACTIONS

315393 Which reaction is not feasible?

1 \(\mathrm{2 \mathrm{KI}+\mathrm{Br}_{2} \rightarrow 2 \mathrm{KBr}+\mathrm{I}_{2}}\)
2 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Br}_{2}}\)
4 \(\mathrm{2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{~F}_{2} \rightarrow 4 \mathrm{HF}+\mathrm{O}_{2}}\)
CHXI08:REDOX REACTIONS

315394 Which of the following reaction will not take place?

1 \(\mathrm{\mathrm{Fe}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{FeSO}_{4}+\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{Cu}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{Ag}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
4 \(\mathrm{\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}}\)
NEET DIGITAL LIBRARY
CHXI08:REDOX REACTIONS

315390 Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\({\rm{E}}^\circ {\rm{values}}:{\rm{F}}{{\rm{e}}^{{\rm{3 + }}}}{\rm{/F}}{{\rm{e}}^{{\rm{2 + }}}}{\rm{ = + 0}}.{\rm{77}};\)
\({{\rm{I}}_{\rm{2}}}{\rm{/}}{{\rm{I}}^{\rm{ - }}}{\rm{ = + 0}}.{\rm{54}};\)
\({\rm{C}}{{\rm{u}}^{{\rm{2 + }}}}{\rm{/Cu = + 0}}.{\rm{34}};\)
\({\rm{A}}{{\rm{g}}^{\rm{ + }}}{\rm{/Ag = + 0}}.{\rm{80}}\;{\rm{V}}\)

1 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{I}^{-}}\)
2 \(\mathrm{\mathrm{Ag}^{+}}\)and \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Fe}^{3+}}\) and \(\mathrm{\mathrm{Cu}}\)
4 \(\mathrm{\mathrm{Ag}}\) and \(\mathrm{\mathrm{Fe}^{3+}}\)
CHXI08:REDOX REACTIONS

315391 Assertion :
Lithium ion is a poor oxidising agent.
Reason :
Lithium ion has the lowest electrode potential.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI08:REDOX REACTIONS

315392 Consider the following statement(s)
(A) Iron reacts with dilute \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) to evolve \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})}\) but \(\mathrm{\mathrm{Ag}}\) does not
(B) Copper dissolves in dilute \(\mathrm{\mathrm{HNO}_{3}}\) but not in dilute \(\mathrm{\mathrm{HCl}}\).
(C) Amongst the halogens, fluorine is the best oxidant because it is the most known as electronegative element
Choose the correct statement(s)

1 A & B
2 B & C
3 A & C
4 A, B & C
CHXI08:REDOX REACTIONS

315393 Which reaction is not feasible?

1 \(\mathrm{2 \mathrm{KI}+\mathrm{Br}_{2} \rightarrow 2 \mathrm{KBr}+\mathrm{I}_{2}}\)
2 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Br}_{2}}\)
4 \(\mathrm{2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{~F}_{2} \rightarrow 4 \mathrm{HF}+\mathrm{O}_{2}}\)
CHXI08:REDOX REACTIONS

315394 Which of the following reaction will not take place?

1 \(\mathrm{\mathrm{Fe}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{FeSO}_{4}+\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{Cu}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{Ag}}\)
3 \(\mathrm{2 \mathrm{KBr}+\mathrm{I}_{2} \rightarrow 2 \mathrm{KI}+\mathrm{Br}_{2}}\)
4 \(\mathrm{\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}}\)