Home
Class 12
CHEMISTRY
How do electrochemical reactions occur i...

How do electrochemical reactions occur in dry cell?

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER

    CHHAYA PUBLICATION|Exercise Answer the following question (set-2)|130 Videos
  • HYDROGEN

    CHHAYA PUBLICATION|Exercise PRACTICE SET -9|5 Videos
  • MODEL QUESTIONS PAPER

    CHHAYA PUBLICATION|Exercise SET III (SECTION II) (GROUP D )|12 Videos

Similar Questions

Explore conceptually related problems

Write the relation between the emf of a galvanic cell and the Gibbs energy for the chemical reaction occuring in the cell.

Write down the relation between the emf of a galvanic cell and the Gibbs energy change for the chemical reaction occuring in the cell.

Write down the relatiuon between the emf of a galvanic cell and the Gibbs energy change for the chemical reaction occuring in the cell.

The following chemical reaction is occuring in an electrochemical cell: Mg(s)+2Ag^+(0.0001M) rarr Mg^(2+)(0.10M) +2Ag(s) The E^@ values for Mg (2+) /Mg =-2.36V , Ag+ / Ag =0.81V for the cell calculate/ write Will the above cell reaction be spontaneous?

The following chemical reaction is occuring in an electrochemical cell: Mg(s)+2Ag^+(0.0001M) rarr Mg^(2+)(0.10M) +2Ag(s) The E^@ values for Mg^(2+) / Mg =-2.36V , Ag^+ / Ag =0.81V for the cell calculate/ write standard cell potential E^@(cell)

The following chemical reaction is occuring in an electrochemical cell: Mg(s)+2Ag^+(0.0001M) rarr Mg^(2+)(0.10M) +2Ag(s) The E^@ values for Mg^(2+)// Mg =-2.36V , Ag^+//Ag =0.81V for the cell calculate/ write Cell potential E_(cell)^@

Rusting of iron, basically is an electrochemical reaction. In this process -

Cell membranes occur in

Argentaftin cells occur in

Retort cells occur in

CHHAYA PUBLICATION-MODEL QUESTION PAPER -Answer the following question (set-3)
  1. For a standard cell, Cu(s)|Cu^(2+)(0.01M)||Ag^(+)(0.02M)|Ag(s) E(C...

    Text Solution

    |

  2. Write anode and cathode reactions of H2-O2 fuel cell.

    Text Solution

    |

  3. How do electrochemical reactions occur in dry cell?

    Text Solution

    |

  4. What is the use of Pt-foil in the hydrogen electrode?

    Text Solution

    |

  5. Why are sulphide ores concentrated by froth floatation process?

    Text Solution

    |

  6. What is poling?

    Text Solution

    |

  7. Why is cryolite added with alumina during extraction of aluminium?

    Text Solution

    |

  8. Describe the oxidising action of potassium di chromate in H2SO4 soluti...

    Text Solution

    |

  9. Identify A to F:

    Text Solution

    |

  10. What is the function of anhydrous ZnCl2 in Lucas test for distinction ...

    Text Solution

    |

  11. Give reason for the following: (a) p-nitrophenol is more acidic than o...

    Text Solution

    |

  12. An ether A (C5H(12)O) when heated with excess hot concentrated HI prod...

    Text Solution

    |

  13. An organic compound A (C2H3N) is used as a solvent of choice for many ...

    Text Solution

    |

  14. Convert: Cyanobenzene to Cinnamic acid

    Text Solution

    |

  15. Identify A to F: The two strands in DNA are not identical but com...

    Text Solution

    |

  16. Identify A to J:

    Text Solution

    |

  17. Identify A to J: CH3CH2CO2Hoverset((i)I2//"RedP")underset((ii)H2O)t...

    Text Solution

    |

  18. Identify A to J: CH3CHOoverset(dil.NaOH)toCoverset(/\)toD

    Text Solution

    |

  19. Identify A to J: CH3COCH3overset(conc.H2SO4)toE

    Text Solution

    |

  20. Identify A to J: CH3COCloverset((i)CH2N2)underset((ii)H2O //AgO///\)...

    Text Solution

    |