Home
Class 12
CHEMISTRY
The metal that cannot obtained by electr...

The metal that cannot obtained by electrolysis of an aqueous solution of its salts is `:`

A

Ag

B

Ca

C

Cu

D

Cr

Text Solution

Verified by Experts

The correct Answer is:
B
On electrolysis of aqueous solution of s- block elements `H_2` gas discharge at cathode .
At cathode `: H_2 O +e^(-) to 1/2 H_2 +OH^(-)`
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE -1: CONCEPT BUILDER (TOPICWISE)|60 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE -1: CONCEPT APPLICATOR|35 Videos

  • EQUILIBRIUM

    DISHA PUBLICATION|Exercise Exercise-2 : Concept Applicator|30 Videos

  • HALOALKANES AND HALOARENES

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|28 Videos

Similar Questions

Explore conceptually related problems

The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

The metal that can't be obtained by electrolysis of an aquencous solution of in salts is

DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT APPLICATOR
  1. The metal that cannot obtained by electrolysis of an aqueous solution ...

    Text Solution

    |

  2. Consider the following reactions : 2XS+3O(2)overset(Delta)to 2XO+2SO...

    Text Solution

    |

  3. XCl(2)("excess")+Ycl(2) to XCl(4)+Y darr , YO underset(gt400^(@))ove...

    Text Solution

    |

  4. All ores are minerals while all minerals are not ores because :

    Text Solution

    |

  5. Consider the following reaction at 1000^(@)C (A) Zn (s) + (1)/(2) O...

    Text Solution

    |

  6. Correct match is:

    Text Solution

    |

  7. Select correct statement:

    Text Solution

    |

  8. By which process Pb and Sn are extracted respectively are:

    Text Solution

    |

  9. Which of the following faction is of no significance for roasting sul...

    Text Solution

    |

  10. When copper pyrites is roasted in excess of air, a mixture of CuO + Fe...

    Text Solution

    |

  11. Sulphide ores of metals are usually concentrated by both floatation pr...

    Text Solution

    |

  12. Calcination is the process in which

    Text Solution

    |

  13. Extraction of zinc from zinc blende is achieved by

    Text Solution

    |

  14. In froth flotation process many chemicals (frother, collector, activat...

    Text Solution

    |

  15. In the metallurgy of Zn the Zn dust obtained from roasting and reducti...

    Text Solution

    |

  16. A sulphide ore is first converted into its oxide before reduction. Thi...

    Text Solution

    |

  17. Carbon and CO gas are used to reduce which of the following pairs of m...

    Text Solution

    |

  18. While extracting an element from its ore, the ore is grind and leached...

    Text Solution

    |

  19. Consider the following statements - In the aluminothermite process,...

    Text Solution

    |

  20. Which statement is correct?

    Text Solution

    |

  21. Aluminium is prepared in large quantities by

    Text Solution

    |