Home
Class 11
CHEMISTRY
In the chemical reaction, K(2)Cr(2)O(7...

In the chemical reaction,
`K_(2)Cr_(2)O_(7)+xH_(2)SO_(4)+ySO_(2)rarrK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+zH_(2)O`
`x,y, and z` are

A

1,3,1

B

4,1,4

C

3,2,3

D

2,1,2

Text Solution

Verified by Experts

The balanced equation is
`14H^(+)+6e^(-) +Cr_(2)O_(7)^(2-) to 2Cr^(3+)+7H_(2)O`
`6H_(2)O+3SO_(2) to 3SO_(4)^(2-)+6e^(-)+12H^(+)`
`Cr_(2)O_(7)^(2-)+2H^(+)+3SO_(2) to 2Cr^(3+)+3SO_(4)^(2-)+H_(2)O`
`or K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+3SO_(2) to Cr_(2)(SO_(4))_(3)+K_(2)SO_(4)+H_(2)O`
x=1, y=3, z=1
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTION

    NARAYNA|Exercise Exercise -3|38 Videos
  • PERIODIC TABLE

    NARAYNA|Exercise All Questions|568 Videos
  • S-BLOCK ELEMENTS

    NARAYNA|Exercise LEVEL-4|15 Videos

Similar Questions

Explore conceptually related problems

In the chemical reaction, K_(2)Cr_(2)O_(7)+aH_(2)SO_(4)+bSO_(2) rarr K_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+CH_(2)O. a, b and c are

In the chemical reaction, K_2 CR_2 O_7 + xH_2 SO_4 + ySO_2 rarr K_2SO_4 + Cr_2(SO_4)_3 + zH_2O, the value of x,y and z respectively are :

The equivalent weight of H_(2)SO_(4) in the following reaction is Na_(2)Cr_(2)O_(7)+3SO_(2)+H_(2)SO_(4)rarr3Na_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+H_(2)O

NARAYNA-REDOX REACTION-Exercise -4
  1. The oxidation state of chromium in Cr(CO)(6) is

    Text Solution

    |

  2. Which of the following is not a redox reaction?

    Text Solution

    |

  3. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

    Text Solution

    |

  4. One mole of N(2)H(4) loses ten moles of electrons of form a new compou...

    Text Solution

    |

  5. When copper is treated with a certain concentration of nitric acid, ni...

    Text Solution

    |

  6. In which of the following pairs is there the greatest difference in th...

    Text Solution

    |

  7. In the reaction 3Br(2) + 6CO(3)^(2-) + 3H(2)O to 5Br^(-) + 2BrO(3)^(...

    Text Solution

    |

  8. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

    Text Solution

    |

  9. The oxidation number of cobalt in K[Co(CO)(4)] is:

    Text Solution

    |

  10. Which of the following is not a disproprotionation reaction? I. NH(4...

    Text Solution

    |

  11. which of the following represent redox reactions? I. Cr(2)O(7)^(2-)+...

    Text Solution

    |

  12. In which of the following cases is the oxidation state of N atom wrong...

    Text Solution

    |

  13. Which of the following is not a disproportionation reaction ?

    Text Solution

    |

  14. The number of moles of K(2)Cr(2)O(7) reduced by 1 mol of Sn^(2+) ions ...

    Text Solution

    |

  15. Which of the following is a redox reaction?

    Text Solution

    |

  16. The oxidation state of Fe in Fe(CO)(5) is

    Text Solution

    |

  17. In which of the following pairs is there the greatest difference in th...

    Text Solution

    |

  18. [Which of the following is not an intermolecular redox reaction?

    Text Solution

    |

  19. The number of moles of KMnO(4) required to oxidise 1 mol of Fe(C(2)O(4...

    Text Solution

    |

  20. In the reaction K+O(2)rarrKO(2)

    Text Solution

    |