Home
Class 12
CHEMISTRY
Given the standard reduction potentials....

Given the standard reduction potentials.
`{:(O_(2)+4H^(+)+4e^(-)rarr2H_(2)O,E^(@)=1.23V),(Br_(2)+2e^(-)rarr2Br^(-),E^(@)=1.08V),(2H^(+)+2e^(-)rarrH_(2),E^(@)=0.00V),(Na^(+)+e^(-)rarrNa,E^(@)=-2.71V):}`
What products are formed in the electrolyss of 1M NaBr in a solution with `[H_(3)O^(+)]=1M`?

A

Na(s) and `O_(2)(g)`

B

Na(s) and `Br_(2)(g)`

C

`H_(2)(g)` and `Br_(2)(g)`

D

`H_(2)(g)` and `O_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Conductance and Kohlrausch s law|40 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Reasoning type|28 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 Videos

  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

According to the tabulated standard reduction potentials {:(Mg^(2+)(aq)+2e^(-)rarrMg(s),E^(@)=-2.38V),(2H_(2)O(l)+2e^(-)rarrH_(2)(g)+2OH^(-)(aq),E^(@)=-0.83),(Br_(2)(l)+2e^(-)rarr2Br^(-)(aq),E^(@)=0.53V),(O_(2)(g)+4H^(+)(aq)rarr2H_(2)O(l)rarr,E^(@)=1.23V):} What products are formed during the electrolysis of an aqueous MgBr_(2) solution?

The standard reduction potential of the reaction H_(2)O+e^(-) rarr 1/2 H_(2) +OH , at 298 K, is

Given below are a set of half-cell reactions (acidic medium) along with their E_(@) with respect to normal hydrogen electrode values. Using the data obtain the correct explanation to question given below. {:(I_(2)+2e^(-)rarr2I^(-),E^(@)=0.54),(Cl_(2)+2e^(-)rarr2Cl^(-),E^(@)=1.36),(Mn^(2+)+e^(-)rarrMn^(2+),E^(@)=1.50),(Fe^(3+)+e^(-)rarrFe^(2+),E^(@)=0.77),(O_(2)+4H^(+)+4e^(-)rarr2H_(2)O,E^(@)=1.23):} While Fe^(2+) is stable, Mn^(3+) is not stable in acid solution because:

Given that I_(2)+2e^(-)rarr2I^(-): E^(@)=0.54V Br_(2)+2e^(-)rarr2Br^(-):E^(@)=1.09V Predict which of the following is true

The standard reduction potential of TiO^(2+) and Ti^(3+) are given by TiO_(2+)+2H^(+)+e^(-)toTi^(3+)+H_(2)O" "E^(@)=0.10V Ti^(3+)+3e^(-)toTi" "E^(@)=-1.21V

Consider following half cell reaction and corresponding standard (reduction) electrode potentials. I. A+e^(-)rarrA:E^(@)=-24V II. B^(-)+e^(-)rarrB^(2-):E^(@)=+1.25V III. C^(-)+2e^(-)rarrC^(3-):E^(@)=-1.25V IV. D+2e^(-)rarrD^(2-):E^(@)=+0.68V V. E+4e^(-)rarrE^(-4):E^(@)=0.38V . Cell with the largest cell potential is

Given below are a set of half-cell reactions (acidic medium) along with their E_(@) with respect to normal hydrogen electrode values. Using the data obtain the correct explanation to question given below. {:(I_(2)+2e^(-)rarr2I^(-),E^(@)=0.54),(Cl_(2)+2e^(-)rarr2Cl^(-),E^(@)=1.36),(Mn^(2+)+e^(-)rarrMn^(2+),E^(@)=1.50),(Fe^(3+)+e^(-)rarrFe^(2+),E^(@)=0.77),(O_(2)+4H^(+)+4e^(-)rarr2H_(2)O,E^(@)=1.23):} Among the following, identify the correct statement:

Standard reduction potentials of the half reactions are given below {:(F_(2(g))+2e^(-) rarr 2F^(-)""_((aq)),,E^(@)=+2.85V), (Cl_(2(g))+2e^(-) rarr 2Cl^(-)""_((aq)),, E^(@)=+1.36V), (Br_(2(l))+2e^(-) rarr 2Br^(-)""_((aq)),,E^(@)=+1.06V), (l_(2(s))+2e^(-) rarr 2l^(-)""_((aq)),, E^(@)=+0.53V):} The strongest oxidising and reducing agents respectively are

GRB PUBLICATION-ELECTROCHEMISTY-Faraday s Laws and Electrolysis
  1. If aq. CuCl(2) solution is electrolysed by using Cu electrodes then pr...

    Text Solution

    |

  2. An electrolysis cell is operated for 3000 a using a current of 1.50A. ...

    Text Solution

    |

  3. Aluminium is produced commercially by the electrolysis of Al(2)O(3). H...

    Text Solution

    |

  4. How many liters of chlorine gas, Cl(2), measured at 0^(@)C and 1 atm a...

    Text Solution

    |

  5. For how many seconds must a current of 5.00 A flow in order to deposit...

    Text Solution

    |

  6. It takes 126.5 minutes using a current of 5.15 A to deposit all of the...

    Text Solution

    |

  7. A current of 0.0965 ampere is passed for 1000 seconds through 50mL of ...

    Text Solution

    |

  8. When a current of 0.25 ampere is passed through excess of molten MCl(x...

    Text Solution

    |

  9. In an electrolytic cell the electrode at which the electrons enter the...

    Text Solution

    |

  10. A solution containing equimolar amounts of NiCl(2) and SnBr(2) is elec...

    Text Solution

    |

  11. A current of 2.0A is used to plate Ni(s) from 500mL of a 1.0M Ni^(2+)(...

    Text Solution

    |

  12. What occurs when an aqueous solution of Na(2)SO(4) containing several ...

    Text Solution

    |

  13. A current of 12A is used to plate nickel from a Ni(NO(3))(2) solution....

    Text Solution

    |

  14. A 3.00amp current is used to electrolyze the molten chlorides, CaCl(2)...

    Text Solution

    |

  15. The deposition of 1.0g of which element from its molten chloride requi...

    Text Solution

    |

  16. Chromium metal can be produced by the electrolysis of molten CrO(3). W...

    Text Solution

    |

  17. Which reaction occurs at the cathode during electrolysis of an aqueous...

    Text Solution

    |

  18. When an aqueous solution of potassium fluoride is electrolyzed, which ...

    Text Solution

    |

  19. Given the standard reduction potentials. {:(O(2)+4H^(+)+4e^(-)rarr2H...

    Text Solution

    |

  20. In a battery with a zinc anode, what is the 250mA is drawn for 12.0 mi...

    Text Solution

    |