Home
Class 12
CHEMISTRY
A standard hydrogen electrode has zero e...

A standard hydrogen electrode has zero electrode potential because

A

hydrogen is easiest to oxidise

B

this electrode potential is assumed to be zero

C

hydrogen atom has only one electron

D

hydrogen is the lightest element

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-II|70 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Questions|17 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Level-III (Linked Comprehension Type)|12 Videos
  • D & F BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise Level -II|38 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION - REASON) |5 Videos

Similar Questions

Explore conceptually related problems

Assertion :A standard hydrogen electrode is also called reversible electrode. Reason: Standard hydrogen electrode can act both as anode as well as cathode in an electrochemical cell.

The standard Hydrogen electrode potential is zero, because

A galvanic cell is composed of a standard Zn electrode and a chromium electrode immersed in a solution containing Cr^(3+) At what concentration of Cr^(3+) will the emf o the cell be zero?

A galvanic cell is made of two hydrogen electrodes, one of which is the standard hydrogen electrode, in which of the following solutions should the other electrode be set up to get maximum emf?

A cell contains two hydrogen electrodes. The negative electrode is in contact with a solution of 10^-6 M hydrogen ions. The emf of the cell is 0.118V at 25^@C . Calculate the concentration of hydrogen ions at the positive electrode.

In a standard hydrogen electrode, the concentration of 'H^+' is : (a)0.1M (b)1M (3)10M (4)Not fixed

The standard electrode potentials of some electrodes are given below: E_(Zn^(2+),Zn)^0= -0.76V E_(Cu^(2+)^0, Cu)=+0.34V E_(Ag^+,Ag)^0=+0.80V E_(H^+,H)^0=0V What Is the reaction taking place at SHE when it Is connected to Ag//Ag^+ electrode to form a galvanic cell?

The standard electrode potentials of some electrodes are given below: E_(Zn^(2+),Zn)^0= -0.76V E_(Cu^(2+)^0, Cu)=+0.34V E_(Ag^+,Ag)^0=+0.80V E_(H^+,H)/^0=0V .find the value of K_c (equillibrium constant) in the daniel cell at 298k.

The Standard electrode potentials of some electrodes are given below: E^@_(Zn^(2+)Zn) = -0.76 V, E^@(Cu^(2+)Cu) =+0.34, E^@_(Ag, Ag) = + 0.80V, E^@_(H, H_2)=0V can CuSO_4 Solution be kept in silver vessel?

BRILLIANT PUBLICATION-ELECTROCHEMISTRY-LEVEL-I
  1. The calomel electrode and Quinhydrone electrode are reversible with re...

    Text Solution

    |

  2. A standard hydrogen electrode has zero electrode potential because

    Text Solution

    |

  3. The electric charge for electrode deposition of one gram equivalent of...

    Text Solution

    |

  4. KNO(3) is used to make salt bridge because:

    Text Solution

    |

  5. In a galvanic cell, the salt bridge:

    Text Solution

    |

  6. Plot the graph showing variation of of resistance with increase in cel...

    Text Solution

    |

  7. Which factor is responsible for decrease in electrolytic conduction?

    Text Solution

    |

  8. 2Ag^(+) (aq) + Cu(s) rarr Cu^(2+) (aq)+2Ag(s) The standard potenti...

    Text Solution

    |

  9. A cell in which reactants are not contained within the cell but are co...

    Text Solution

    |

  10. The metal that cannot be obtained by electrolysis of the aqueous solut...

    Text Solution

    |

  11. The correct order of chemical reactivity with water according to elect...

    Text Solution

    |

  12. A substance that will reduce Ag to Ag but will not reduceNi^(2+) to Ni...

    Text Solution

    |

  13. Lithium is generally used as an electrode in high energy density batte...

    Text Solution

    |

  14. In electrolysis of a fused salt, the weight of the deposit on an elect...

    Text Solution

    |

  15. Conductivity of a strong electrolyte

    Text Solution

    |

  16. Based on the following information, arrange four metals A, B, C and D ...

    Text Solution

    |

  17. The E at 25^(@) C for the following reaction is 0.22 V. The equilibriu...

    Text Solution

    |

  18. Using the following E^(@) values for electrode potentials, calculate t...

    Text Solution

    |

  19. When I(2), (s)|I^(-) (0.IM) half cell is connected to a H^(+) (aq) |H...

    Text Solution

    |

  20. The standard free energy change for the following reaction is-210 kJ. ...

    Text Solution

    |