Home
Class 12
CHEMISTRY
Consider the following reactions: Zn(s...

Consider the following reactions:
`Zn(s)+cu^(2+)(aq)rarrZn^(2+) (aq)+Cu(s)`
With reference to the above reaction which one of the following is correct statement:

A

Zn is reduced to `Zn^(2+)`

B

Zn is oxidised to `Zn^+`

C

`Zn^(2+)` ions are oxidised to Zn

D

`Cu^(2+)` ions are oxidised to Cu.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos
  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

Complete the following equations: Ag^(+)(aq)+Cu(s)rarr

Which of the following reactions is possible? Zn(s)+CuSO_4(aq)rarrZnSO_4(aq)+Cu(s)

Complete the following reactions: Ca(OH)_2(aq) +…………. rarr CaCO_3

Classify each of the following reactions 2CuO(s) rarr 2Cu (s)+O_2 (g)

Balance the following equation : Al(s) +HCl(aq) rarr AlCl_2(aq)+H_2(g)

In the button cell widely used for watches and other devices, the following reaction takes place: Zn(s)+Ag_2O(s)+H_2O(l)rarrZn^(2+)(aq)+2Ag(s)+2OH^(-)(aq) Determine the value of K_c for the above reaction using the following data? AgO_2(s)+H_2O(l)+2barerarr2Ag(s)+2Oh^(-)(aq) ( E^@=0.344V ) Zn^(2+)(aq)+2barerarrZn(s) ( E^@=-0.76V )

Complete the following chemical equation : Cu^(2+) (aq) + I^(-) (aq) rarr

Classify each of the following reactions Zn(s)+2AgNO_3 (aq) gives Zn(No_3)_2 (aq)+2Ag(s)

In the cell reaction: 2Al(s)+3NI^(2+)(aq)rarr2Al^(3+)(aq)+3Ni(s) The value of n is

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. The tendencies of the electrodes made up of Cu,Zn and Ag to release el...

    Text Solution

    |

  2. The units of cell constant are: ohm^-1cm^-1, cm, ohm^-1cm, cm^-1

    Text Solution

    |

  3. Consider the following reactions: Zn(s)+cu^(2+)(aq)rarrZn^(2+) (aq)+...

    Text Solution

    |

  4. Define conductivity and molar conductivity for the solution of an elec...

    Text Solution

    |

  5. Write two difference between strong and weak electrolytes.

    Text Solution

    |

  6. How is molar conductivity related to conductivity of a solution? Deriv...

    Text Solution

    |

  7. What are the factors which affect which affect the conductivity of an ...

    Text Solution

    |

  8. What are the factors which affect which affect the conductivity of an ...

    Text Solution

    |

  9. Why does the colour of copper sulphate solution change,when anb iron n...

    Text Solution

    |

  10. How is cell potential related to the free energy change? State meaning...

    Text Solution

    |

  11. How is standard Gibbs energy of a reaction related to its equilibrium ...

    Text Solution

    |

  12. What are the products of the electrolysis of molten sodium chloride?

    Text Solution

    |

  13. What is corrosion? What is the chemical formula of rust?

    Text Solution

    |

  14. What do you understand by sacrificial protection and electrical protec...

    Text Solution

    |

  15. The number of electrons in an ion Y2- is 10. What is the atomic number...

    Text Solution

    |

  16. The formula of metal carbonate of a metal M is M2CO3. What is the form...

    Text Solution

    |

  17. The formula of metal carbonate of a metal M is M2CO3. What is the form...

    Text Solution

    |

  18. Write the cell reactions which occur in lead storage battery when the ...

    Text Solution

    |

  19. What is a Galvanic cell? Give the function of salt bridge.

    Text Solution

    |

  20. Can a zinc spoon be used to stir a solution of copper sulphate? Suppor...

    Text Solution

    |