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Fe^(3+) is reduced of Fe^(2+) by using...

`Fe^(3+)` is reduced of `Fe^(2+)` by using

A

`H_(2)O_(2)` is presence of NaOH

B

`Na_(2)O_(2)` in water

C

`H_(2)O_(2)` in presence of `H_(2)SO_(4)`

D

`Na_(2)O_(2)` in presence of `H_(2)SO_(4)`

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The correct Answer is:
A, B
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Answer, whether under standard conditions, the following reactions are possible or not: (i) Will copper reduce Ag^(+) " to " Ag ? Given E_(Ag^(+)//Ag)^(@) = 0.799 " volt" , E_(Cu^(2+)//Cu)^(@) = - 0.337 volt (ii) Will Fe^(3+) be reduced to Fe^(2+) by Sn^(2+) ions? given {:(Fe^(3+) | Fe^(2+) = 0.771 " volt"),(Sn^(2+) |Sn^(4+) = - 0.250 " volt"):} (iii) would you use a silver spon to stir a solution of Cu(NO_(3))_(2) ?

IIT-JEE PREVIOUS YEAR (CHEMISTRY)-D & F BLOCK ELEMENTS-Objective (Q-2)
  1. Fe^(3+) is reduced of Fe^(2+) by using

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