Home
Class 12
CHEMISTRY
Given: E(Cl2,Cl^-)^@=1.36V, E(Cr^(3+),Cr...

Given: `E_(Cl_2,Cl^-)^@=1.36V, E_(Cr^(3+),Cr)^@=-0.74V`
`E_(Cr_2O_7,Cr^(3+))^@=1.33V, E_(MnO_4^-,Mn^(2+))^@=1.51V`
Among the following the strongest reducing agent is

A

Cr

B

`Mn^(2+)`

C

`Cr^(3+)`

D

`Cl^-`

Text Solution

Verified by Experts

A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMOTIVE FORCE

    BODY BOOKS PUBLICATION|Exercise PROBLEMS |50 Videos
  • ELECTROCHEMISTRY

    BODY BOOKS PUBLICATION|Exercise EXAMPLES|134 Videos
  • General Principles and Processes of Isolation of Elements

    BODY BOOKS PUBLICATION|Exercise Example|108 Videos

Similar Questions

Explore conceptually related problems

{:("Given",,E_(Cl_(2))^(0)//Cl^(-)=1.36V,,E_(Cr^(+3))^(0)//Cr=-0.74V),(,,E_(Cr_(2)O_(7)^(-2))^(0)//Cr^(+3)=1.33V,,E_(MnO_(4)^(-))//Mn^(+2)=1.51V):} Among the following, strongest reducing agent is

An aqueous solution containing 1M each of Au^(3+), Cu^(2+), Ag^(+), Li^(+) is being electrolysed by using inert electrodes. The value of standard potentials are E_(Ag^(+)//Ag)^(@)= 0.80V, E_(Cu^(2+)//Cu)^(@) = 0.34V, and E_(Au^(3+)//Au)^(@) = 1.50 V , E_(Li^(+)//Li)^(@)= -3.03V , With increasing voltage, the sequence of deposition of metals on the cathode will be

Zn^(2+)toZn_((s)),E^(@)=-0.76V Cu^(2+)toCu_((s)),E^(@)=-0.345V Which of the following is spontaneous?

The standard reduction potentials at 298K for the following half reactions are given against each. Zn^(2+) (aq)+2e= Zn(s), -0.762V Cr^(3+) (aq) +3e= Cr(s), -0.74V 2H^+ +2e=H_2 (g), pm 0.0V Fe^(3+) (aq)+e =Fe^(2+) (aq), +0.77V What is the strongest reducing agent?

E_(Mg//Mg^(2+))^(@)=2.37V E_(Al^(3+)//Al)^(@)=1.66V E_("cell")^(@) and the cell reaction is

(i) E^@ (Cu^(2+),Cu)=0.34V (ii) E^@(Cu^+,Cu)=+0.52V (iii) E^@[O_2(g)+H^+ +4e to 4OH^(-) ]=+1.23V (iv) E^@[O_2(g) +2H_2O +4e to 4OH^(-) ]=+0.40V (v) E^@ (Cr^(3+), Cr)=-0.74V (vi) E^@ (Cr^(2+), Cr)=+0.91V Match E^@ of the redox pair is List I with the values given in List II and select the correct answer using the code given below the lists.

Will Mg reduce CuSO_4 ? E_(Mg,Mg^(2+))^@=+2.36V and E_(Cu,Cu^(2+))^@=0.34V

Given E_(Fe^(3+)//Fe)^(@)=-0.036V and E_(fe^(2+)//Fe)^(@)=-0.44V . What is the value of E_(Fe^(3+)//Fe^(2+))^(@)

BODY BOOKS PUBLICATION-ELECTROMOTIVE FORCE -EXERCISE
  1. From the following E^@ values of half cells, (i) A+e to A^(-) , E^@=...

    Text Solution

    |

  2. From the following E^@ values of half cells (i) A to A^(+)+e, E^@=+1...

    Text Solution

    |

  3. From the following E^@ values of half cells (i) A^(3-)to A^(2-) +e,...

    Text Solution

    |

  4. IF the following half cells have the E^@ values as Fe^(3+)+e to Fe^(...

    Text Solution

    |

  5. E^@ (red.) values of the half cells Mg^(2+)//Mg and Cl2//Cl^- are resp...

    Text Solution

    |

  6. For the cell reaction Zn(s)+Mg^(2+) (1M)=Zn^(2+) (1M) +Mg, the emf has...

    Text Solution

    |

  7. E^@ for F2+2e=2F^(-) is 2.8V, E^@ for 1/2 F2+e=F^(-) is

    Text Solution

    |

  8. Delta G^@ of the cell reaction AgCl(s)+1/2H2(g)=Ag(s)+H^+ +Cl^(-) is ...

    Text Solution

    |

  9. The value of equilibrium constant for the feasible cell reaction is

    Text Solution

    |

  10. E^@ for the reaction Fe+Zn^(2+)=Zn+Fe^(2+) is -0.35 V. The given cell...

    Text Solution

    |

  11. A galvanic cell is composed of two hydrogen electrodes, one of which i...

    Text Solution

    |

  12. 1/2 H2(g)+AgCl(s)=H^+ (aq)+Cl^(-) (aq)+Ag(s) occurs in the galvanic c...

    Text Solution

    |

  13. For the cell Tl|Tl^(+) (0.001M) ||Cu^(2+) (0.1M) |Cu. E(cell) at 25^@C...

    Text Solution

    |

  14. (i) E^@ (Cu^(2+),Cu)=0.34V (ii) E^@(Cu^+,Cu)=+0.52V (iii) E^@[O2(...

    Text Solution

    |

  15. Given below the half cell reactions Mn^(2+)+2e to Mn, E^@=-1.18V 2...

    Text Solution

    |

  16. In a galvanic cell, the salt bridge

    Text Solution

    |

  17. Galvanisation is applying a coating of

    Text Solution

    |

  18. For the following electrochemical cell at 298 K Pt (s)|H2(g) (1 ba r...

    Text Solution

    |

  19. Given: E(Cl2,Cl^-)^@=1.36V, E(Cr^(3+),Cr)^@=-0.74V E(Cr2O7,Cr^(3+))^...

    Text Solution

    |

  20. For the following cell Zn(s)|ZnSO4 (aq) ||CuSO4 (aq)|Cu(s) When [Z...

    Text Solution

    |