Home
Class 12
CHEMISTRY
When an aqueous solution of CaCl(2) is e...

When an aqueous solution of `CaCl_(2)` is electrolyzed using inert electrods, which of the following is `(` are `)` true ?

A

Calcium deposites on cathode.

B

Calcium deposits an anode

C

Chloride is liberated on anode

D

Calcium hydroxide precipitates near cathode on prolonged hydrolysis

Text Solution

Verified by Experts

The correct Answer is:
c,d

`Cathode : [{:((X)Ca^(2+),+,2e^(-),rarr,Ca),(or,,,,),((sqrt())2H_(2)O,+,2e^(-), rarr,H_(2)O+2overset(o+)(O)H):}`
`Anode : [{:((X)4overset(o+)(O)H,rarr,O_(2)+2H_(2)O,+,4e^(-)),(or,,,,),((sqrt())2Cl^(c-),rarr,Cl_(2), +,2e^(-)):}`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercises Ingle Correct|178 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exerciseassertion -Reasoning|25 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercise(Linked Comprehension )|30 Videos
  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|29 Videos
  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY|Exercise Archives (Subjective)|14 Videos

Similar Questions

Explore conceptually related problems

If aqueous solutions of AgNO_3 is electrolysed using inert electrode the gas evolved at anode is .

When an aqueous solution of LiCl is electrolyzed using graphite electrodes, as the current flows, the pH of the solution around cathode ……………………

When an aqueous concentrated solution of lithium chloride is electrolysed using inert electrodes:

When an aqueous solution of potassium fluoride is electrolyzed, which of the following occurs

A current of 2.68 A is passed for 1.0 hour through an aqueous solution of CuSO_(4) using copper electrodes. Which of the following statements is // are correct ?

When an aqueous solution of sodium chloride is electrolysed using platinum electrodes, the ion discharged at the electrodes are

A dilute aqueous solution of Na_(2)SO_(4) is electrolyzed using platinum electrodes. The products at the anode and cathode are :

CENGAGE CHEMISTRY-ELECTROCHEMISTRY-Exercisemultiple Correct Ansers
  1. Which of the following cells is // are rechargeable or secondary cell ...

    Text Solution

    |

  2. For I(2)+2e^(-) rarr 2I^(c-), standard reduction potential =+0.54 V. F...

    Text Solution

    |

  3. Consider the cell : Pt|H(2)(p(1)atm)|H^(o+)(x(1)M) || H^(o+)(x(2)M)|...

    Text Solution

    |

  4. Which of the following changes will cause the free energy of a cell re...

    Text Solution

    |

  5. During the working of a galvanic cell and with the passage of time.

    Text Solution

    |

  6. In the following electrochemical cell : Zn|Zn^(2+)||H^(o+)|(H(2))Pt ...

    Text Solution

    |

  7. Consider the cell : Cd(s)|Cd^(2+)(1.0M)||Cu^(2+)(1.0M)|Cu(s) If we...

    Text Solution

    |

  8. Electrolysis of aqueous solutions of which of the following substance...

    Text Solution

    |

  9. When an aqueous solution of CaCl(2) is electrolyzed using inert electr...

    Text Solution

    |

  10. On passing 0.5 mool of electrons through CuSO(4) and Hg(2)(NO(3))(2) s...

    Text Solution

    |

  11. Which of the following statements is // are correct ?

    Text Solution

    |

  12. If same quantity of electricity is passed through three electrolytic c...

    Text Solution

    |

  13. Which of the following aqueous solutions remain alkaline after electro...

    Text Solution

    |

  14. A solution containing Na^(o+),NO(3)^(c-), Cl^(c-), and SO(4)^(2-) ions...

    Text Solution

    |

  15. To obeserve the effect of concentration on the conductivity, electrol...

    Text Solution

    |

  16. Consider the following concentration cell: Zn(s)|Zn^(2+)(0.024M)||Zn...

    Text Solution

    |

  17. Given: OxidationH(2)O(2) rarr O(2)+2H^(o+)+2e^(-)" "E^(c-)=-0.69V...

    Text Solution

    |

  18. Which of the following statements regarding rusting of iron is // are ...

    Text Solution

    |

  19. Given : A^(2+)+2e^(-) rarr A(s)" "E^(c-)=0.08V B^(o+)+e^(-)rarr...

    Text Solution

    |

  20. Which of the following statements is // are correct ?

    Text Solution

    |