Home
Class 11
CHEMISTRY
Which of the following statements is cor...

Which of the following statements is correct? If `E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Sn^(2+)|Sn)^(@)=-0.136V,E_(H^+|H_2)^(@)=-0.0V`

A

`Cu^(2+)` ions can be reduced by `H_2`(g)

B

cu can be oxidised

C

`Sn^(2+)` ions can be reduced by `H_2`

D

Sn can be oxidized by `Cu^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise Match the column|6 Videos
  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise Assertion Reason type question|15 Videos
  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise LEVEL-2|28 Videos
  • DILUTE SOLUTION

    NARENDRA AWASTHI ENGLISH|Exercise leval-03|23 Videos
  • GASEOUS STATE

    NARENDRA AWASTHI ENGLISH|Exercise Subjective problems|15 Videos

Similar Questions

Explore conceptually related problems

A solution is 1 molar in each of NaCl, CdCl_(2), ZnCl_(2) and PbCl_(2) . To this Sn metal is added, which of the following is true? Given E^(@) (Pb^(2+)//Pb = -0.126V) E_(Sn^(2+)//Sn)^(@) = -0.136V, E_(Cd^(2+)//Cd)^(@) = -0.40V E_(Zn^(2+)//Zn)^(@) = -0.763V, E_(Na^(+)//Na)^(@)= -2.71V

E_(Cu^(2+)//Cu)^(@)=0.34V E_(Cu^(+)//Cu)^(@)=0.522V E_(Cu^(2+)//Cu^(+))^(@)=

E_(Cu^(2+)//Cu)^(@)=0.34V E_(Cu^(+)//Cu)^(@)=0.522V E_(Cu^(2+)//Cu^(+))^(@)=

E_(Cu^(2+)//Cu)^(@) =0.43V E_(Cu^(+)//Cu)^(@)=0.55V E_(Cu^(2+)//Cu^(+))^(@) =

Which is/are correct among the following? Given the half cell EMFs E_(Cu^(2+)//Cu)^(@)=0.337V, E_(Cu^(+)|Cu)^(@)=0.521V

Select the correct statement if- E_(Mg^(2+)//Mg)^(@)=-2.4V, E_(Sn^(4+)//Sn^(2+))^(@)=0.1V, E_(MnO_(4)^(-),H^+//Mn^(2+))^(@)=1.5V, E_(I_(2)//I^(-))^(@)=0.5V

When a solution of AgNO_3 (1 M) is electrolysed using Pt anode and Cu cathode, the products at two electrodes are? E_(cu^(2+)|cu)^(@)=+0.34 "V" , E_(O_2,H^+|H_2O)^(@)=+1.23"V",E_(ag^+|Ag)^(@)=+0.8 "V"

If a small Cu rod is placed in an aqueous solution of ferrous salt, then which of the following will be observed? ( E_((Cu^(2+)) /(Cu))^0 = -0.34 V , E_((Fe^(2+)) /(Fe))^0 = -0.44 V )

What is DeltaG^(@) for the following reaction Cu^(+2)(aq)+2Ag(s)rarrCu(s)+2Ag E_(Cu^(+2)//Cu)^(@)=0.34V E_(Ag^(+)//Ag)^(@)=0.8V

If K_c for the reaction Cu^(2+)(aq)+Sn^(2+)(aq)toSn^(4+)(aq)+Cu(s) at 25^(@) C is represented as 2.6xx10^y then find the value of y. (Given: E_(Cu^(2+)"|"Cu)^(@) =0.34V, E_(Sn^(4+)"|"Sn^(2+))^(@) =0.15V

NARENDRA AWASTHI ENGLISH-ELECTROCHEMISTRY-LEVEL-3
  1. Select correct statement(s) about electrolysis:

    Text Solution

    |

  2. If the half-cell reaction A+e^(-)toA^(-) has a large negative reductio...

    Text Solution

    |

  3. Which of the following statements is correct? If E(Cu^(2+)|Cu)^(@)=0.3...

    Text Solution

    |

  4. The oxidation potential of hydrogen half-cell will be negative if:

    Text Solution

    |

  5. which of the following arrangement will procedure oxygen at anode dur...

    Text Solution

    |

  6. When an aqueous concentrated solution of lithium chloride is electroly...

    Text Solution

    |

  7. Oxygen and hydrogen gas are produced at the anode and cathode during t...

    Text Solution

    |

  8. During the purification of copper by electrolysis: (a)the anode used ...

    Text Solution

    |

  9. When a lead storage battery is discharged:

    Text Solution

    |

  10. Which of the following is characteristic of the cathode in a voltaic c...

    Text Solution

    |

  11. In an electrochemical process, a salt bridge is used:

    Text Solution

    |

  12. For a reaction in a galvanic cell the value of -/\G^(@) at certain tem...

    Text Solution

    |

  13. Given that E(Fe^(2+)//Fe)^(.)=-0.44V,E(Fe^(3+)//Fe^(2+))^(@)=0.77V if...

    Text Solution

    |

  14. which of the following statements are correct regarding to galvanic ce...

    Text Solution

    |

  15. Which of the following are concentration cell?

    Text Solution

    |

  16. In electrolyte concentration cell:

    Text Solution

    |

  17. The standard electrode of a metal ion (Ag|Ag^(o+)) and metal - insolu...

    Text Solution

    |

  18. Which of the following units is correctly matched?

    Text Solution

    |

  19. Which of the following statements is/are correct?

    Text Solution

    |

  20. Which is/are correct statement?

    Text Solution

    |