Redox Reactions and Electrode Processes
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CHXI08:REDOX REACTIONS

315399 \(\mathrm{\mathrm{E}^{\circ}}\) values of some redox couples are given below. On the basis of these values choose the correct option.
\(\mathrm{E^{\circ}}\) values: \(\mathrm{\mathrm{Br}_{2} / \mathrm{Br}^{-}=+1.90 ; \mathrm{Ag}^{+} / \mathrm{Ag}(s)=+0.80}\)
\(\rm{C u^{2+} / C u(s)=+0.34 ; I_{2}(s) / I^{-}=+0.54}\)

1 \(\mathrm{\mathrm{Cu}}\) will reduce \({\rm{B}}{{\rm{r}}^{\rm{ - }}}\)
2 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Ag}}\)
3 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{I^{-}}\)
4 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Br}_{2}}\)
CHXI08:REDOX REACTIONS

315400 Assertion :
Amongst the halogens, fluorine can oxidise the elements to the highest oxidation state.
Reason :
Due to small size of fluoride ion, it is difficult to oxidise fluoride ion to fluorine. Hence, reverse reaction takes place more easily.

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

315401 Which of the following metal will not react with solution of \(\mathrm{\mathrm{CuSO}_{4}}\) ?

1 \(\mathrm{\mathrm{Fe}}\)
2 \(\mathrm{\mathrm{Zn}}\)
3 \(\mathrm{\mathrm{Mg}}\)
4 \(\mathrm{\mathrm{Ag}}\)
CHXI08:REDOX REACTIONS

315402 In which of the following cases a chemical reaction is possible?

1 \(\mathrm{\mathrm{AgNO}_{3}}\) solution is stirred with a copper spoon
2 Conc. \(\mathrm{\mathrm{HNO}_{3}}\) is stored in a platinum vessel
3 Gold ornaments are washed with dil. \(\mathrm{\mathrm{HCl}}\)
4 \(\mathrm{\mathrm{ZnSO}_{4(\mathrm{aq})}}\) is placed in a copper vessel
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CHXI08:REDOX REACTIONS

315399 \(\mathrm{\mathrm{E}^{\circ}}\) values of some redox couples are given below. On the basis of these values choose the correct option.
\(\mathrm{E^{\circ}}\) values: \(\mathrm{\mathrm{Br}_{2} / \mathrm{Br}^{-}=+1.90 ; \mathrm{Ag}^{+} / \mathrm{Ag}(s)=+0.80}\)
\(\rm{C u^{2+} / C u(s)=+0.34 ; I_{2}(s) / I^{-}=+0.54}\)

1 \(\mathrm{\mathrm{Cu}}\) will reduce \({\rm{B}}{{\rm{r}}^{\rm{ - }}}\)
2 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Ag}}\)
3 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{I^{-}}\)
4 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Br}_{2}}\)
CHXI08:REDOX REACTIONS

315400 Assertion :
Amongst the halogens, fluorine can oxidise the elements to the highest oxidation state.
Reason :
Due to small size of fluoride ion, it is difficult to oxidise fluoride ion to fluorine. Hence, reverse reaction takes place more easily.

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

315401 Which of the following metal will not react with solution of \(\mathrm{\mathrm{CuSO}_{4}}\) ?

1 \(\mathrm{\mathrm{Fe}}\)
2 \(\mathrm{\mathrm{Zn}}\)
3 \(\mathrm{\mathrm{Mg}}\)
4 \(\mathrm{\mathrm{Ag}}\)
CHXI08:REDOX REACTIONS

315402 In which of the following cases a chemical reaction is possible?

1 \(\mathrm{\mathrm{AgNO}_{3}}\) solution is stirred with a copper spoon
2 Conc. \(\mathrm{\mathrm{HNO}_{3}}\) is stored in a platinum vessel
3 Gold ornaments are washed with dil. \(\mathrm{\mathrm{HCl}}\)
4 \(\mathrm{\mathrm{ZnSO}_{4(\mathrm{aq})}}\) is placed in a copper vessel
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CHXI08:REDOX REACTIONS

315399 \(\mathrm{\mathrm{E}^{\circ}}\) values of some redox couples are given below. On the basis of these values choose the correct option.
\(\mathrm{E^{\circ}}\) values: \(\mathrm{\mathrm{Br}_{2} / \mathrm{Br}^{-}=+1.90 ; \mathrm{Ag}^{+} / \mathrm{Ag}(s)=+0.80}\)
\(\rm{C u^{2+} / C u(s)=+0.34 ; I_{2}(s) / I^{-}=+0.54}\)

1 \(\mathrm{\mathrm{Cu}}\) will reduce \({\rm{B}}{{\rm{r}}^{\rm{ - }}}\)
2 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Ag}}\)
3 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{I^{-}}\)
4 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Br}_{2}}\)
CHXI08:REDOX REACTIONS

315400 Assertion :
Amongst the halogens, fluorine can oxidise the elements to the highest oxidation state.
Reason :
Due to small size of fluoride ion, it is difficult to oxidise fluoride ion to fluorine. Hence, reverse reaction takes place more easily.

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

315401 Which of the following metal will not react with solution of \(\mathrm{\mathrm{CuSO}_{4}}\) ?

1 \(\mathrm{\mathrm{Fe}}\)
2 \(\mathrm{\mathrm{Zn}}\)
3 \(\mathrm{\mathrm{Mg}}\)
4 \(\mathrm{\mathrm{Ag}}\)
CHXI08:REDOX REACTIONS

315402 In which of the following cases a chemical reaction is possible?

1 \(\mathrm{\mathrm{AgNO}_{3}}\) solution is stirred with a copper spoon
2 Conc. \(\mathrm{\mathrm{HNO}_{3}}\) is stored in a platinum vessel
3 Gold ornaments are washed with dil. \(\mathrm{\mathrm{HCl}}\)
4 \(\mathrm{\mathrm{ZnSO}_{4(\mathrm{aq})}}\) is placed in a copper vessel
For More Updates join with Us
CHXI08:REDOX REACTIONS

315399 \(\mathrm{\mathrm{E}^{\circ}}\) values of some redox couples are given below. On the basis of these values choose the correct option.
\(\mathrm{E^{\circ}}\) values: \(\mathrm{\mathrm{Br}_{2} / \mathrm{Br}^{-}=+1.90 ; \mathrm{Ag}^{+} / \mathrm{Ag}(s)=+0.80}\)
\(\rm{C u^{2+} / C u(s)=+0.34 ; I_{2}(s) / I^{-}=+0.54}\)

1 \(\mathrm{\mathrm{Cu}}\) will reduce \({\rm{B}}{{\rm{r}}^{\rm{ - }}}\)
2 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Ag}}\)
3 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{I^{-}}\)
4 \(\mathrm{\mathrm{Cu}}\) will reduce \(\mathrm{\mathrm{Br}_{2}}\)
CHXI08:REDOX REACTIONS

315400 Assertion :
Amongst the halogens, fluorine can oxidise the elements to the highest oxidation state.
Reason :
Due to small size of fluoride ion, it is difficult to oxidise fluoride ion to fluorine. Hence, reverse reaction takes place more easily.

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

315401 Which of the following metal will not react with solution of \(\mathrm{\mathrm{CuSO}_{4}}\) ?

1 \(\mathrm{\mathrm{Fe}}\)
2 \(\mathrm{\mathrm{Zn}}\)
3 \(\mathrm{\mathrm{Mg}}\)
4 \(\mathrm{\mathrm{Ag}}\)
CHXI08:REDOX REACTIONS

315402 In which of the following cases a chemical reaction is possible?

1 \(\mathrm{\mathrm{AgNO}_{3}}\) solution is stirred with a copper spoon
2 Conc. \(\mathrm{\mathrm{HNO}_{3}}\) is stored in a platinum vessel
3 Gold ornaments are washed with dil. \(\mathrm{\mathrm{HCl}}\)
4 \(\mathrm{\mathrm{ZnSO}_{4(\mathrm{aq})}}\) is placed in a copper vessel
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