Home
Class 10
CHEMISTRY
The valency of copper in Cu2O is……….....

The valency of copper in `Cu_2O` is………..

A

`+1`

B

`+2`

C

`+3`

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise PREVIOUS SUMMATIVE ASSESSMENTS|19 Videos

  • ACIDS,BASESAND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|24 Videos

  • CARBON AND ITS COMPOUND

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|758 Videos

Similar Questions

Explore conceptually related problems

The valency of sulphur in SO_(4)^(2-) is :

The valencies of 'Mg' and 'O' are……..respectively in MgO.

Calculate the equivalent weight and electrochemical equivalent of copper deposited from cupric salt (At. Wt of Cu = 63.5) .

(A) : Equivalent weight of Cu in CuO is 63.6 and in Cu_(2)O is 31.8. (R) : Equivalent weight of an element =("Atomic weight of an element")/("Valency of the element")

Copper is the most moble of first row transition meals and occurs in small deposits in several countries ares of copper include chalcanthite (CuSO_(4)5H_(2)O) , afecamie (CuCHOH)_(3)) , cuprite (Cu_(2)O) Copper glance (Cu_(2)S) and rolachite (Cu_(2)(OH)_(2)CO_(3)) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalopyrite in polves partial roasting, removal of Iron self-reduction. In sell reduction the reducing species is

Copper is the most moble of first row transition meals and occurs in small deposits in several countries ares of copper include chalcanthite (CuSO_(4)5H_(2)O) , afecamie (CuCHOH)_(3)) , cuprite (Cu_(2)O) Copper glance (Cu_(2)S) and rolachite (Cu_(2)(OH)_(2)CO_(3)) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalopyrite in polves partial roasting, removal of Iron self-reduction. Partial Roasting of chalcopyrite produces

Copper is the most moble of first row transition meals and occurs in small deposits in several countries ares of copper include chalcanthite (CuSO_(4)5H_(2)O) , afecamie (CuCHOH)_(3)) , cuprite (Cu_(2)O) Copper glance (Cu_(2)S) and rolachite (Cu_(2)(OH)_(2)CO_(3)) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalopyrite in polves partial roasting, removal of Iron self-reduction. Iron is removed from chalcopyrite as

Aluminium displaces hydrogen from acids, but copper does not. A galvanic cell prepared by combining Cu//Cu^(2+) and Al//Al^(3+) has an emf of 2.0 V at 298K. If the potential of copper electrode is +0.34V, that of Aluminium electrode is

Identify the primary valency of the central metal in the tetra coordinated CuSO_4 and hexa coordinated Cr(NO_3)_3. 6H_2O

VGS PUBLICATION-BRILLIANT-ATOMS AND MOLECULES-OBJECTIVE TYPE QUESTION
  1. Number of particles present in 32 g of oxygen molecule are……………

    Text Solution

    |

  2. Convert in to moles: 22 g of carbon dioxide

    Text Solution

    |

  3. The valency of copper in Cu2O is………..

    Text Solution

    |

  4. Number of particles in 7.75 g of phosphorous is…….

    Text Solution

    |

  5. Symbol of nitrate is………….

    Text Solution

    |

  6. Statement -I The symbol of chloride ion is Cl^-. Statement -II: The...

    Text Solution

    |

  7. Symbol of sodium ion is……………

    Text Solution

    |

  8. The formula of Aluminium Carbonate is……….

    Text Solution

    |

  9. The symbol of Zinc ion is………

    Text Solution

    |

  10. Which of the following statement is not given by Dalton? Statement (A)...

    Text Solution

    |

  11. Who is correct? Srinu: Elements are made up of atoms. Mohan: Atoms...

    Text Solution

    |

  12. Assertion (A): The atomic mass of magnesium is 24. Reason ( R): Magn...

    Text Solution

    |

  13. Assertion (A): Atomic mass has no units. Reason ( R): Atomic mass is...

    Text Solution

    |

  14. An iron rod changed into iron oxide by rusting. Guess how the weights ...

    Text Solution

    |

  15. In the experiment of “To prove law of conservation of mass”, Manoj fou...

    Text Solution

    |

  16. CO:1:1::CO2:……………?

    Text Solution

    |

  17. Molecules in water is H2O then molecules in the Hydrogen is

    Text Solution

    |

  18. Why did symbol of copper taken as 'Cu'?

    Text Solution

    |

  19. Statement (A) : Symbol of carbon is ‘C’ whereas symbol of calcium is ‘...

    Text Solution

    |

  20. Generally all inert gases like , He,Ne,Ar,Kr,Xe are available as monoa...

    Text Solution

    |