Home
Class 11
CHEMISTRY
Consider the following reactions : C2O...

Consider the following reactions :
`C_2O_4^(2-)rarrCO_2`
`SO_4^(2-)rarrSO_3^(2-)`
`MnO_4^(2-)rarrMnO_4^(-)`
`Fe^(3+)rarrFe^(2+)`

A

(i) & (ii) shows oxidation

B

(iii) & (iv) shows reduction

C

(i) & (iii) shows oxidation

D

(iii) & (iv) shows oxidation

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOLE AND STOICHIOMETRY-I

    PATHFINDER|Exercise QUESTION BANK|234 Videos

  • ORGANIC CHEMISTRY: SOME BASIC PRINCIPLES AND TECHNIQUES

    PATHFINDER|Exercise QUESTION BANK|85 Videos

Similar Questions

Explore conceptually related problems

Complete the following reactions: C_(2)H_(4)+O_(2)to

Complete the reaction : MnO_4 + C_2O_4^(2-) + H^+ rarr

Complete the following reactions: 1) P_4+SO_2Cl_2 2) XeF_6+H_2O

Balance the following equations Fe + H_2O to Fe_3O_4 + H_2

Complete the following chemical equations : 8MnO_(4)^(-)+3S_(2)O_(3)^(2-)+H_(2)O to

Balance the following equations KMnO_4 + H_2SO_4 to K_2SO_4 + MnSO_4 + H_2O + O_2

In the following reaction the isotopic oxygens- 2Mn O_(4)^(-) + 3H_(2)O_(2)^(18) rarr 2MnO_(2) + 3O_(2) + 2H_(2)O + 2OH^(-)

For the reaction ,2S_(2)O_(4)^(2-)+1_(2)toS_(4)O_(6)^(2-)+2I^(-) -

Which of the following reactions are disproportionation reactions - (i) Cu^(+)rarr Cu^(2+)+Cu (ii) 3MnO_(4)^(2-)+4H^(+)rarr 2MnO_(4)^(-)+MnO_(2)+2H_(2)O (iii) 2KMnO_(4)rarr K_(2)MnO_(4)+MnO_(2) (iv) 2MnO_(4)^(-)+3Mn^(2+)+2H_(2)O rarr 5MnO_(2)+4H^(+)

PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
  1. 1 mol of ferrous oxalate is oxidized by x mol of MnO4^(-) and also 1 ...

    Text Solution

    |

  2. Which reaction does not involve neither oxidation nor reduction ?

    Text Solution

    |

  3. Consider the following reactions : C2O4^(2-)rarrCO2 SO4^(2-)rarrSO...

    Text Solution

    |

  4. Which of the following reaction represents disproportionation ?

    Text Solution

    |

  5. 6x10^(-3) mole K2Cr2O7 reacts completely with 9x10^(-3) mole X^(n+) ...

    Text Solution

    |

  6. A certain ion X^(n+) is oxidized successively to XO4^(2-) and then ...

    Text Solution

    |

  7. Write the common method of preparation of N2O.

    Text Solution

    |

  8. How many moles of electrons are needed for the reduction of each mole ...

    Text Solution

    |

  9. .What volume of H2O2 solution of 22,4 “vol strength" is required to l...

    Text Solution

    |

  10. ln the reaction, 2CuSO4+ 4KIrarrCu2l2+2K2SO4+I2 the ratio of equivalen...

    Text Solution

    |

  11. Hydroxylamine reduces iron (lll) according to following equation NH2...

    Text Solution

    |

  12. In the following reaction (unbalanced) equivalent wt. of As2S3 is rela...

    Text Solution

    |

  13. 60 ml 0.1 M KMnO4 is treated with excess FeC2O4 in presence of H2SO4...

    Text Solution

    |

  14. What happens when iron is heated in presence of O2?

    Text Solution

    |

  15. What volume of 2 N K2Cr2O7 solution is required to oxidise 0.81 g of ...

    Text Solution

    |

  16. 600 ml of a 0.1 (N) solution of AgNO3 is added to 500 mL of 0.1 (N) KC...

    Text Solution

    |

  17. 1.60g of a metal were dissolved in HNO3 to prepare its nitrate. The n...

    Text Solution

    |

  18. A100 ml solution of 0.1 N HCl was titrated with 0.2 N NaOH solution. T...

    Text Solution

    |

  19. What volume of 0.1 M KMnO4 is needed to oxidize 100 mg of FeC2O4 in a...

    Text Solution

    |

  20. The oxidation state of A, B and C in a compound are +2,+5 and -2 respe...

    Text Solution

    |