Home
Class 11
CHEMISTRY
Cr(OH)(3)+H(2)O(2)overset("Alkali")(to)C...

`Cr(OH)_(3)+H_(2)O_(2)overset("Alkali")(to)CrO_(4)^(-2)+H_(2)O` the number of `OH^(-)` required to balance the above equation

A

1

B

3

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    AAKASH SERIES|Exercise Objective Exercise -3|14 Videos

  • STOICHIOMETRY

    AAKASH SERIES|Exercise PROBLEMS|185 Videos

  • STOICHIOMETRY

    AAKASH SERIES|Exercise Objective Exercise -1|250 Videos

  • STATES OF MATTER

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|19 Videos

Similar Questions

Explore conceptually related problems

Cr_(2)O_(7)^(2-) + C_(2)H_(4)O overset(H^(+))rarr Cr^(3+) + C_(2)H_(4)O_(2) . How many H^(+) ions are in the balance equation ?

C_(2)H_(5)OH overset(K_(2)Cr_(2)O_(7)//H_(2)SO_(4))to A overset(K_(2)Cr_(2)O_(7)//H_(2)SO_(4))to B A and B in the above reaction are

2C_(2)H_(5)OH overset(X)to B overset(Y)to C_(2)H_(4) +H_(2)O . Then X and Y are respectively

NH_(3)+O_(2)underset(Delta) overset(Pt)to A+H_(2)O , A+O_(2)to B, B+O_(2)+H_(2)O to C Substances A, B and C of the above sequence of reactions are

CH_(3)COOH + C_(2)H_(5)OH underset("heat")overset("conc." H_(2)SO_(4))to CH_(3)COOC_(2)H_(5) +H_(2)O The above reaction is known as

S_(2)O_(3)^(2-) + MnO_(4)^(-) + H_(2)O rarr MnO_(2) + S_(2)O_(4)^(2-) + OH^(-) . What are the coefficients of S_(2)O_(3)^(2-) and MnO_(4)^(-) in the balance equation ?

Au+CN^(-)+H_(2)+O_(2) to [Au(CN)_(2)+OH]^(-) . How many CN^(-) ions are involved in the above balanced equation? (per mole of Au)

BeC+4H_(2)O to Be(OH)_(2)+CH_(4) CaC_(2)+2H_(2)O to Ca(OH)_(2)+X Mg_(2)C_(3)+2H_(2)O to Mg (OH)_(2)+Y The total no. of pi bonds present in X and Y

Be_(2)C+H_(2)O to Be(OH)_(2)+[X]X is

AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. The oxidation state of phosphorus in Ba(H(2)PO(2))(2) is

    Text Solution

    |

  2. Chlorine has two different oxidation states in which of the following ...

    Text Solution

    |

  3. Cr(OH)(3)+H(2)O(2)overset("Alkali")(to)CrO(4)^(-2)+H(2)O the number of...

    Text Solution

    |

  4. Sodium carbonate of 92% purity is used in the reation Na(2)CO(3)+CaCl(...

    Text Solution

    |

  5. Disproportionation products of one mole of MnO(4)^(-2) in aqueous acid...

    Text Solution

    |

  6. In the reaction the stoichiometry coefficients of Cr(2)O(7)^(2-), NO(2...

    Text Solution

    |

  7. The number of moles of MnO(4)^(-) and Cr(2)O(7)^(-2) separately requir...

    Text Solution

    |

  8. a KMnO(4) + bH(2) SO(4) + c FeSO(4) to K(2) SO(4) + MnSO(4) + Fe(2) (S...

    Text Solution

    |

  9. Number of moles of KI (potassium iodide) required to produce 0.1 mole ...

    Text Solution

    |

  10. The weight of oxygen required to completely react with 27g  of Al is

    Text Solution

    |

  11. Correct order of tendency to loss of electrons

    Text Solution

    |

  12. 20 ml of nitric oxide combines with 10 ml of oxygen at STP to give NO(...

    Text Solution

    |

  13. In the redox reaction : xKMnO(4) to +yNH(3) to KNO(3)+MnO(2)+KOH+H(2)O

    Text Solution

    |

  14. How many moles of KMnO(4) are required to oxidise one mole of ferrous ...

    Text Solution

    |

  15. When KMnO4 acts as an oxidizing agent and ultimately forms MnO(4)^(2-)...

    Text Solution

    |

  16. The value of n in the following equation if balanced Cr(2)O(7)^(3+)+14...

    Text Solution

    |

  17. How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mol...

    Text Solution

    |

  18. What is the volume (lit) of oxygen required at STP to completely conve...

    Text Solution

    |

  19. A copper plate of 20 cm x 10 cm is to be plated with silver of 1 mm th...

    Text Solution

    |

  20. In the reaction MnO(4)^(-)+SO(3)^(2-)+H^(+)toMn^(2+)+SO(4)^(2-) the nu...

    Text Solution

    |