Home
Class 11
CHEMISTRY
How many electrons are involved during t...

How many electrons are involved during the oxidation reaction of `KMnO_4` in acidic medium ?

A

1

B

3

C

5

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
`MnO_4^(-)+8H^(+)+5e^(-) rarrMn^(2+)+4H_2O`
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise COMPETITION FILE (Objective Questions) (C. MULTIPLE CHOICE QUESTIONS)|9 Videos

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise COMPETITION FILE (Objective Questions) (A. MULTIPLE CHOICE QUESTIONS)|39 Videos

  • ORGANIC CHEMISTRY: BASIC PRINCIPLES AND TECHNIQUES

    MODERN PUBLICATION|Exercise (Competition File) MULTIPLE CHOICE QUESTIONS ( based on the given. passage/comprehension )|8 Videos

  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

Why HCl not used to make the mdeium acidic in oxidation reactions of KMnO_(4) in acidic medium ?

How many mole of electrons are involved in the reduction of one mole of MnO_(4)^(-) ion in alkaline medium to MnO_(3)^(-)

How many moles of electrons are needed for the reduction of 20mL of 0.5M solution of KMnO_(4) in acid mediumgt

KMnO_(4) reacts with KI in acidic medium gives

How many moles of KMnO_(4) are required to oxidise one mole of SnCl_(2) in acidic medium?

MODERN PUBLICATION-REDOX REACTIONS -COMPETITION FILE (Objective Questions) (B. MULTIPLE CHOICE QUESTIONS)
  1. Assuming complete ionization, same moles of which of the following com...

    Text Solution

    |

  2. For the redox reaction MnO(4)^(ө)+C(2)O(4)^(2-)+H^(o+)rarrMn^(2+)+CO...

    Text Solution

    |

  3. The correct structure of tribromooctaoxide.

    Text Solution

    |

  4. Which of the following reactions are disproportionation reactions? ...

    Text Solution

    |

  5. Consider the following E^o values : E^o Fe^(3+)//FE^(2+)o = + 0.77 ...

    Text Solution

    |

  6. In a cell that utilizes the reactions. Zn(s) + 2H^(+) (aq) rightarro...

    Text Solution

    |

  7. aK(2)Cr(2)O(7)+bKCl+cH(2)SO(4)rarrxCrO(2)Cl(2)+yKHSO(4)+zH(2)O The a...

    Text Solution

    |

  8. What products are expected from the desproprtionation reactin of hypoc...

    Text Solution

    |

  9. What is the oxidation number of carbonyl carbon in methanal ?

    Text Solution

    |

  10. The reaction 3ClO^(-)(aq)rarrClO(3)^(-)(aq)+2Cl^(-)(aq) is an example ...

    Text Solution

    |

  11. How many electrons are involved during the oxidation reaction of KMnO4...

    Text Solution

    |

  12. For redox reaction {:(xMnO(4)^(-)+yH(2)C(2)O(4)+ZH^(+)),(" ...

    Text Solution

    |

  13. Iodine reacts with concentrateed HNO3 to yield Y along with other prod...

    Text Solution

    |

  14. The correct order of the oxidation states of nitrogen in NO, N(2)O, N...

    Text Solution

    |

  15. In order to oxidise a mixture of one mole of each of FeC2O4,Fe2(C2O4)3...

    Text Solution

    |

  16. In the reaction of oxalate with permanganate in acidic medium, the num...

    Text Solution

    |

  17. For the electrochemical cell, M|M^(+) ||X^(-)|X, E(M^(+)//M)^(@) = 0.4...

    Text Solution

    |

  18. Standard electrode potential data are used for understanding the stabi...

    Text Solution

    |

  19. The pair of compounds having metals in their highest oxidation state i...

    Text Solution

    |

  20. Which ordering of compounds is according to the decreasing order of th...

    Text Solution

    |