Home
Class 12
CHEMISTRY
Which change occurs as the chemical reac...

Which change occurs as the chemical reaction takes place in the standard electrochemical cell represented below?
`Zn(s) | Zn^(2+)(aq) || Sn^(2+)(aq) | Sn(S)`

(P) Electrons move through the external circuit from Zn to Sn.
(Q) The concentration of `Zn^(2+)(aq) increases.
(R) The voltage increases from a negative value to zero.

A

P and Q only

B

P and R only

C

Q and R only

D

P, Q and R

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Galvanic Cell and Salt Bridge|85 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

Write Nernst equation for the following cell reaction : Zn(s) | Zn^(2+)(aq)|| Cu^(2+)(aq) | Cu(s)

Write down the half cell reactions and cell reaction for Daniell cell. Zn(s)|Zn^(2+)(aq)(1M) || Cu^(2+)(aq)(1M)/Cu(s)

Write cell representation for following cells Cd^(2+)(aq)+Zn(s)toZn^(2+)(aq)+Cd(s)

Sn(s) | Sn^(2+)(aq) || Cu^(2+)(aq) | Cu(s) For the voltaic cell represented above, which change will increase the voltages?

Calculate the standard free enegry change for the reaction: Zn + Cu^(2+)(aq) rarr Cu+Zn^(2+) (aq), E^(Theta) = 1.20V

GRB PUBLICATION-ELECTROCHEMISTY-Latimer Diagram, concentration cells
  1. Given the reactions and data below, what is the K value for this elect...

    Text Solution

    |

  2. A voltaic cell is constructed with the overall reaction : Sn^(2+)(aq...

    Text Solution

    |

  3. Which change occurs as the chemical reaction takes place in the standa...

    Text Solution

    |

  4. Calculate the cell potential, E, for a silver-silver chloride electrod...

    Text Solution

    |

  5. Consider a voltaic cell in which the reaction below occurs in two half...

    Text Solution

    |

  6. 2Ag^(+)(aq) + Cu(s) rightarrow Cu^(2+)(aq) + 2Ag(s) The standard pot...

    Text Solution

    |

  7. Zn(s) | zn^(2+)(aq) || H(+)(aq)|H(2)(g) E^9@) = 0.76V What must be t...

    Text Solution

    |

  8. The voltage for the cell Fe | Fe^(2+)(0.0010 M) || Cu^(2+)(0.10 M) | C...

    Text Solution

    |

  9. For the cell Zn(s) + 2H^(+)(aq) rightarow Zn^(2+)(aq) + H(2)(g), E^(...

    Text Solution

    |

  10. 2Ga(s) + 6H^(+)(aq) rightarrow 2Ga^(3+)(aq) + 3H(2)(g) , The potenti...

    Text Solution

    |

  11. The following cell Al(s) | Al^(3+(aq, 0.001 M) || Cu^(2+)(aq, 0.10 M...

    Text Solution

    |

  12. For the voltaic cell respresents below Ni(s) | Ni^(2+)(aq) || Ag^(+)...

    Text Solution

    |

  13. Which of the following is correct about the electrochemical cell repre...

    Text Solution

    |

  14. For the voltaic cel based on this reaction: 2Ag^(+)(aq) + Cu rightar...

    Text Solution

    |

  15. What is the [Fe^(2+)] in a cell at 25^(@)C for which E = -0.458V with ...

    Text Solution

    |

  16. Sn(s) | Sn^(2+)(aq) || Cu^(2+)(aq) | Cu(s) For the voltaic cell repr...

    Text Solution

    |

  17. Calculate emf of given cell at 25^(@)C: [Given: E(Ag^(+)//Ag)^(@)...

    Text Solution

    |

  18. The standard reduction potential for H^(+)(aq) is 0.00v. What is the r...

    Text Solution

    |

  19. Under what conditions is the Nernst equation used to calcualte cell po...

    Text Solution

    |

  20. Which is a consistent set of values for a specific redox reaction carr...

    Text Solution

    |