Home
Class 12
CHEMISTRY
What is E^(@) for electrode represented ...

What is `E^(@)` for electrode represented by `Pt,O_(2)(1atm)//2H^(+)(1m)`

A

Unpredictable

B

Zero

C

`0.018 V`

D

`0.118 V`

Text Solution

Verified by Experts

The correct Answer is:
B

`E^(@)= 0` because hydrogen have zero potential.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise Assertion & Reason|11 Videos
  • ELECTROCHEMISTRY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Corrosion)|8 Videos
  • COORDINATION COMPOUNDS

    ERRORLESS|Exercise ASSERTION AND REASON|7 Videos
  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise ASSERTION & REASON|8 Videos

Similar Questions

Explore conceptually related problems

The potential of the cell containing two hydrogen electrodes as represented below Pt, H_(2(g))|H^(+)(10^(-6)M)"||"H^(+)(10^(-4)M)|H_(2(g)),Pt at 298 K is

What is the potential of the cell containing two hydrogen electrode as represented below ? Pt,(1)/(2) H_(2)(g)|H_(2)O||H^(o+)(0.01M)|1//2H_(2)(g)Pt

Find the electrode potentials of the following electrodes. (a) Pt, H_2 (1 atm)/HCl (0.1 M), (b) Pt, H_2 (2 atm)/ H_2SO_4 (0.01 M)

Calculate the reduction potential of the following electrodes : a. Pt,H_(2)(4 atm)|H_(2)SO_(4)(0.01M) b. Pt,H_(2)(1 atm)| HCl (0.2 M) c. Calculate the potential of hydrogen electrode in contact with a solution whose i pH=5" "ii. pOH=4

The cell reaction for the given cell is spontaneous if: Pt,H_(2) (P_(1) atm)| H^(+) (1M)| H_(2) (P_(2) atm), Pt

Calculate the electrode potential of given electrode Pt, Cl_(2) (1.5 bar) 2Cl^(-) (0.01M), E_(Cl_(2)//2Cl^(-))^(@) = 1.36V

The pH of LHE in the following cell is : Pt, H_(2)(1atm)|H^(o+)(x M)||H^(o+)(0.1M)|H_(2)(0.1atm)Pt E_(cell)=0.295V .

ERRORLESS-ELECTROCHEMISTRY-PAST YEARS QUESTIONS
  1. Which of the following statement is true for the electrochemical Danie...

    Text Solution

    |

  2. The chemical reaction 2AgCl("(fused)")+H(2(g))rarr2HCl((aq))+2Ag((s)...

    Text Solution

    |

  3. What is E^(@) for electrode represented by Pt,O(2)(1atm)//2H^(+)(1m)

    Text Solution

    |

  4. An electrochemical cell is shown below Pt, H(2)(1 "atm")|HCl(0.1 M)|C...

    Text Solution

    |

  5. Consider the following relations for emf of a electrochemical cell (...

    Text Solution

    |

  6. The standard oxidation potentials, E^(@), for the half reactions are a...

    Text Solution

    |

  7. If E(Fe^(2+))^(@)//Fe = -0.441 V and E(Fe^(3+))^(@)//Fe^(2+) = 0.771...

    Text Solution

    |

  8. Standard free energies of formation (I kJ //mol ) at 298 K are -237 ....

    Text Solution

    |

  9. The standard redox potentials for the reactions, MN^(2+) + 2e^(-)to M...

    Text Solution

    |

  10. For the cell reaction Cu^(2+)(C(1),aq.)+Zn(s)hArrZn^(2+)(C(2),aq)+Cu...

    Text Solution

    |

  11. For the reduction of silver ions with copper metal, the standard cell ...

    Text Solution

    |

  12. The emf of a Daniell cell at 298 K is E(1) Zn|ZnSO(4)(0.01 M)||CuSO(...

    Text Solution

    |

  13. A hydrogen gas electrode is made by dipping platinum wire in a solutio...

    Text Solution

    |

  14. The pressure of H(2) required to make the potential of H(2^(-)) electr...

    Text Solution

    |

  15. The oxidation potential of a hydrogen electrode at pH = 10 and P(H(2))...

    Text Solution

    |

  16. Standard reduction potentails of the half reactions are given below: ...

    Text Solution

    |

  17. Four successive members of the first series of the transition metals a...

    Text Solution

    |

  18. On the basis of the following E^(@) values, the stongest oxidizing age...

    Text Solution

    |

  19. A solution contains Fe^(2+), Fe^(3+) and T^(-) ions. This solution was...

    Text Solution

    |

  20. The emf of a Daniell cell at 298 K is E(1) Zn|ZnSO(4)(0.01 M)||CuSO(...

    Text Solution

    |